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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Impact of climatic change during little ice age on agricultural development in north China, 1600-1650 Xiao bing qi qi hou bian qian yu Hua bei nong ye fa zhan : 1600-1650 nian jian de guan cha /

Ng, Wai-yip. January 2009 (has links)
Thesis (M.A.)--University of Hong Kong, 2009. / Includes bibliographical references (p. 72-87).
2

The economics of crop production on the Uncompahgre Valley reclamation project

Melcher, William. January 1931 (has links)
Thesis (Ph. D.)--University of Wisconsin, 1931. / Reproduction of type-written copy. Cover title: The Uncompahgre reclamation project. Bibliography: leaves 128-130.

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