TY  - BOOK
AU  - Harold D. Hughes
AU  -  Edward R. Henson, 
TI  - Crop production : Principles and practices
U1  - 633 
PY  - 1930///
CY  - Newyork
PB  - Mcmillan Co.
N1  - Harold D. Hughes & Edward R. Henson: Crop production : Principles and practices.  Newyork.  Mcmillan Co., 1930.--(633HUG)
ER  -