implications for crop diversity and agricultural development Lipper, Leslie. Anderson, C. Leigh Dalton, Timothy J. text London Sterling, VA Earthscan Food and Agriculture Organization of the United Nations 2010 monographic xxiii, 232 p. : ill., maps ; 24 cm. Seed industry and trade Seed industry and trade Seed exchanges Seed exchanges 381 EAR 2010 A015 Or. 338 EAR 2010 A015 Or. 9781844077847 (hardback) 1844077845 (hardback) 9781844077854 (pbk.) 1844077853 (pbk.) 9789251061732 (FAO) 9251061734 (FAO)