机译:Freshwater ecology principles and applications, Michael Jeffries and Derek Mills, Belhaven Press, London, 1990. no. of pages: 285 isbn 1‐85293‐021‐7 (HBK); 1‐85293‐127‐2 (PBK)
机译:Promising a rose garden but delivering dust (an assessment of the Kalabagh dam project on the river indus, Pakistan‐the Sabz Bagh) by M. Nasir Gazdar, environmental management society, Karachi, 1990. ISBN 967‐9901‐03‐03