00000nam a2200000 a 4500 20251203090544.0 0198545924 333.73 BUR Burrough P.A. Principles of geographical information systems for land resources assessment Oxford Clarendon 1986 xiv,193p, 23cm Monographs on soil and resources survey No. 12 Land use Soil resource Eng 100 010 _ 15956 C 11758 11758 0 0 0 0 PU PU 1998-04-08 20.00 0 333.73 BUR 15956 BK