TY  - BOOK
AU  - Salmon, S C
AU  - Hanson, A A (Assis)
TI  - The Principles and practice of agricultural research
U1  - 630.72 21st
PY  - 1964///
CY  - London
PB  - Leonard Hill
KW  - Agricultural-Research; Agriculture-Statistics; Agriculture-Economic aspects
ER  -