TY  - BOOK
AU  - Louis M. Thompson
AU  -  Frederick R. Troeh, 
TI  - Soils and soil fertility. Ed 4
SN  - 0-07-064411-X
U1  - 631.42 
PY  - 1978///
CY  - New York
PB  - Mc Graw Hill Book Co
N1  - Louis M. Thompson & Frederick R. Troeh: Soils and soil fertility. Ed 4.  (4th Edition)  New York.  Mc Graw Hill Book Co, 1978. 0-07-064411-X--(631.42THO)
ER  -