TY  - GEN
AU  - 
AU  - U.S.S.R. Soil Institute
TI  - Handbook for field laboratories for soil analysis
PY  - 1947///
CY  - Mockba
PB  - U.S.S.R. Soil Institute
KW  - Soil Analysis
N1  - Vol. V : Modern agro-chemical methods for the study of soil; No. 2 : Biological methods
ER  -