Manshard, Walter. Tropical agriculture : a geographical introduction and appraisal - London : Longman, 1974 - 226 p. : ilus. ; mapas ; gráfs - Geographies for advanced study . - Geographies for advanced study . LCCN: 30423 Subjects--Topical Terms: Agricultura--Trópicos. Dewey Class. No.: 631.0913 / M3