TY  - BOOK
AU  - Smith,Hugh Fairfield
TI  - The variability of plant density in fields of wheat and its effect on yield,
AV  - SB191.W5 S634
PY  - 1937///
CY  - Melbourne
PB  - H.J. Green, government printer
KW  - Wheat
N1  - "Literature cited": p. 23-24
ER  -