00641nam a22002297a 4500 BD-DhUL 20150101171029.0 150101s1999 us a|||| |||| 001 0 eng d 0471321923 9780471321927 BD-DhUL BD-DhUL 910 BEG Bernhardsen, Tor. Geographic information systems : an introducion / by Tor Bernhardsen. 3rd ed. New York : Wiley, ©1999. xvi, 372 p. : ill. ; 24 cm. RS 399.00 Bibliography : (p. 413-418) and Index. Geography ddc BK 26569 26569 0 0 ddc 0 910_000000000000000_BEG 0 NFIC 50330 DUSL DUSL GEN 2010-08-03 Purchased 910 BEG 451971 2015-01-01 1 2015-01-01 BK