Proceedings of the International symoposium on the state-of-the-art of remote sensing biosphere studies, 18-22 September 1989, Moscow / edited by Giles M. Foody and Paul J. Curran. - Nairobi : UNEP, c1994. - 26.8 p. : ill. ; 30 cm. Includes bibliographical references and index. Subjects--Topical Terms: Environmental monitoring--Remote sensing.