TY  - BOOK
AU  - Richards,B.N.
TI  - Introduction to the soil ecosystem
SN  - 0582441307
PY  - 1974///
CY  - Harlow, Essex
PB  - Longman
KW  - Soil ecology
KW  - Microbiology
KW  - Soil microbiology
N1  - A Longman text
ER  -