Methods of study in soil ecology. Proceedings of the Paris symposium organized by Unesco and the International Biological Programme.
PHILLIPSON, J.
Methods of study in soil ecology. Proceedings of the Paris symposium organized by Unesco and the International Biological Programme. - America Unesco 1970 - 303 p. - Ecology and conservation 2 .
ECOLOGIA
ECOLOGIA DEL SUELO
PARIS
574 PHI
Methods of study in soil ecology. Proceedings of the Paris symposium organized by Unesco and the International Biological Programme. - America Unesco 1970 - 303 p. - Ecology and conservation 2 .
ECOLOGIA
ECOLOGIA DEL SUELO
PARIS
574 PHI