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This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This w...

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This w...

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This is the first book that employs economics to develop and apply an analytical framework for assessing progress towards the Sustainable Development Goals (SDGs). The authors explore the historical context for the underlying sustainability concept, develop an economics-based analytical framework for assessing progress towards the SDGs, and discuss the implications for sustainability policy and future research. Economics is concerned with ana...

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This w...

This is the first book that employs economics to develop and apply an analytical framework for assessing progress towards the Sustainable Development Goals (SDGs). The authors explore the historical context for the underlying sustainability concept, develop an economics-based analytical framework for assessing progress towards the SDGs, and discuss the implications for sustainability policy and future research. Economics is concerned with ana...

This scarce antiquarian book is a facsimile reprint of the original. Due to its age, it may contain imperfections such as marks, notations, marginalia and flawed pages. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions that are true to the original work.

This scarce antiquarian book is a facsimile reprint of the original. Due to its age, it may contain imperfections such as marks, notations, marginalia and flawed pages. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions that are true to the original work.

This is a reproduction of the original artefact. Generally these books are created from careful scans of the original. This allows us to preserve the book accurately and present it in the way the author intended. Since the original versions are generally quite old, there may occasionally be certain imperfections within these reproductions. We're happy to make these classics available again for future generations to enjoy!

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Excerpt from History of Pre-Clusian Botany in Its Relation to AsterMany asters have also seemed so variable that it has been questioned if the same rootstock would repeat the same characters at all in the growth of a second year. I have, therefore, kept the same plants under scrutiny for three successive seasons, sometimes for four years or more in succession, keeping certain sections under such repeated observation, including numerous localit...

Excerpt from Studies in the History and Variations of Asters, Vol. 2: Species and Variations of Biotian Asters, With Discussion of Variability in Aster Types of specimens of all the new species here described are to be found in my own herbarium with a few exceptions, stated under the respective species. Their locality is given with each species. The locality-list following each description consists, unless otherwise designated, of ¿owering sp...

Excerpt from Studies in the History and Variations of Asters, Vol. 2: Species and Variations of Biotian Asters, With Discussion of Variability in Aster Types of specimens of all the new species here described are to be found in my own herbarium with a few exceptions, stated under the respective species. Their locality is given with each species. The locality-list following each description consists, unless otherwise designated, of ¿owering sp...