TY  - BOOK
ED  - Unesco.
TI  - Soil biology: reviews of research
AV  - QH84.8 .S51
PY  - 1969///
CY  - Paris
PB  - Unesco
KW  -  
KW  - Including nature conservation, geographical distribution
KW  - Soil biology
N1  - Errata slip inserted; Includes bibliographies
ER  -