TY  - BOOK
AU  - A A RODE R V KOVALEV
TI  - SYSTEM OF RESEARCH METHODS IN SOIL SCIENCE
U1  - TR 631.4042 R 2 
PY  - 1971///
CY  - NEW DELHI
PB  - PUBLISHING CO. PVT. LTD.
KW  - SYSTEM OF RESEARCH METHODS IN SOIL SCIENCE
N1  - MODERN BOOK HOUSE
ER  -