作 者:M B Singh ;T Hough ;P Theerakulpisut 等
出 处:Proceedings of the National Academy of Sciences. 1991 ;88(4):1384-1388.doi:10.1073/pnas.88.4.1384
出 版 社:The National Academy of Sciences of the United States of America
文 章 ID:75181123
作 者:Vimalesh Kumar Singh ;M. B. Singh
出 处:The Third Pole: Journal of Geography Education. 2009 ;5-7:52-61.
出 版 社:Department of Geography Education, Tribhuvan University
文 章 ID:185516666