TY  - BOOK
AU  - Rode, A.A.
AU  - Kovalev, R.V.,ed.
TI  - System of research methods in soil science
U1  - 631.4072 21st ed.
PY  - 1974///
CY  - New Delhi
PB  - Amerind Publishing
KW  - Soil sciences - Experiments
ER  -