TY  - BOOK
AU  - Sadosvski, Alexander N.
AU  - Bie, Stein W.
ED  - Meeting of the ISSS Working Group on Soil Information systems (2 : 1977 : Varna
TI  - Development in soil information systems: : Proceedings of the second meeting of..
U1  - 631.4 
PY  - 1978///
CY  - Wageningen
PB  - Centre for Agricultural Publishing and Documentation
KW  - Procesamiento automático de datos en suelos
KW  - Suelos
KW  - Sistemas de información
ER  -