TY  - BOOK
AU  - Sheals, J. G.
TI  - The soil ecosystem: : systematic aspects of the environment, organisms and communities; a symposium
T2  - Publication
U1  - 631.44 
PY  - 1969///
CY  - London
PB  - The Systematics Association
KW  - Suelos
KW  - ClasificaciÃ³n
KW  - EcologÃ­a
KW  - Fauna
KW  - MicrobiologÃ­a
ER  -