Developments in soil information systems：proceedings of the Second Meeting of the I S S S Working Group on Soil Information Systems, Varna/Sofia, Bulgaria, 30 May - 4 June 1977

Corporate Authors: International Society of Soil Science. Working Group on Soil Information Systems. Meeting (2nd 1977 Varna/Sofia, Bulgaria; Centrum voor Landbouwpublikaties en Landbouwdocumentatie Netherlands
Group Author: Bie S. W; Sadovski A. N
Published: Centre for Agricultural Publishing and Documentation,
Publication Dates: 1978.
Call Number: S15-39/I617/1977