TY  - BOOK
AU  - "Nelson, L.B., et al�Eds."
TI  - Changing Patterns in Fertilizer use
U1  - "631.8.001.8""1968.2.14/15""(082.2)   K8" 
PY  - 0000///"Medison, U.S.A."
CY  - 1968
PB  - SSSA Inc.
ER  -