Natural resources databases: conceptual units, data structures and natural variation Natural resources databases: conceptual units, data structures and natural variation

by Burrough, P.A. (Rijksuniversiteit Utrecht (Netherlands). Dept. of Physical Geography), International Inst. for Aerospace Survey and Earth Sciences, Enschede (Netherlands) eng, International Workshop on Quantified Land Evaluation Procedures eng 27 Apr - 2 May 1986 Washington, DC (USA), Beek, K.J. (ed.), McCormack, D.E. (ed.), International Society of Soil Science, Wageningen (Netherlands) eng, FAO, Rome (Italy) eng
Published 1987