TY  - BOOK
AU  - Ed., By Burrogh, P.A.
AU  - Ed., By S.W. Bie
TI  - Soil Information Systems Technology, Proceedings of the Sixth Meeting of the Isss Working Group on Soil Information Systems
SN  - 90-220-0854-1
PY  - 1984///
CY  - Netherland
PB  - Pudoc Wageningen 
ER  -