Number of items: 1.
Popov, T., Georgiev, T., Ivanov, G., Stefanov, L. & Rouscheva, D.
(1983).
Case Study on Limits and Consequences of Agricultural Technologies in the North-East Region of the People's Republic of Bulgaria.
IIASA Collaborative Paper.
IIASA, Laxenburg, Austria: CP-83-024
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