Skerman P J Tropical grasses. Skerman P J; Riveros F - Rome Food and Agriculture Organization 1990 - "xxi, 832p." cm. - "Food and Agriculture Organizaiton Plant Production Series , 23" . Standard No.: 106530 Source: Reference Collections Subjects--Topical Terms: Soil Industry Dewey Class. No.: "X9(J251):8.192.N8, N0/UN"