Guide to the check sheet for IBP areas compiled by G. F. Peterken, including a classification of vegetation for general purposes by F. R. Fosberg - London International Biological Programme 1967 - x, 133 p. : ill. ; 21 cm. - IBP handbook ; 4. . ISBN: 0632046708 Subjects--Corporate Names: International Biological Programme Subjects--Topical Terms: Vegetation surveysVegetation classification