TY  - BOOK
AU  - Astapov S V
AU  - Emel'yanov V A
AU  - Shishkov K N
TI  - Experiments in the use of Cobalt and Iodine radioactive isotopes in land improvement investigations
U1  - 624.151 
PY  - 1958///
CY  - Washington
PB  - Naional Science Foundation
KW  - Soil investigation
N1  - Translated from Russian
ER  -