TY  - BOOK
AU  - V.A. Chernov
TI  - Nature of soil acidity
U1  - 631.41 
PY  - 1964///
CY  - Wasconsin
PB  - Soil Science Society Of America
N1  - V.A. Chernov: Nature of soil acidity.  Wasconsin.  Soil Science Society Of America, 1964.--(631.41CHE)
ER  -