TY  - BOOK
AU  - J. Doeksen
AU  -  J. Van Der Drift, 
TI  - Soil organisms
U1  - 631.4606 
PY  - 1963///
CY  - Amsterdam
PB  - North -Holland Publishing co.
N1  - J. Doeksen & J. Van Der Drift: Soil organisms.  Amsterdam.  North -Holland Publishing co., 1963.--(631.4606DOE)
ER  -