TY  - BOOK
AU  - Fowells,H.A.
AU  - Schubert,Gilbert Herman
TI  - Seed crops of forest trees in the pine region of California
T2  - Technical bulletin / United States Department of Agriculture
AV  - S21 .A72 no. 1150
PY  - 1956///
CY  - Washington
PB  - U.S. Dept. of Agriculture
KW  - Pine
KW  - Seeds
KW  - California
KW  - Fir
N1  - Caption title; Literature cited: p. 47-48
ER  -