TY  - BOOK
AU  - Phillipson, J.
ED  - International Biological Programme.
TI  - Methods of study in quantitative soil ecology: : population, production and energy flow
T2  - International Biological Programme. Handbook
U1  - 631.46 
PY  - 1971///
CY  - London
PB  - International Biological Programme
KW  - Suelos
KW  - Ecología
ER  -