TY  - BOOK
AU  - PHILLIPSON, J.
TI  - Methods of study in soil ecology. Proceedings of the Paris symposium organized by Unesco and the International Biological Programme
T2  - Ecology and conservation 2
PY  - 1970///
CY  - America
PB  - Unesco
KW  - ECOLOGIA
KW  - ECOLOGIA DEL SUELO
KW  - PARIS
ER  -