TY  - BOOK
AU  - Collins,G.N.
TI  - Variability in the linkage of two seed characters of maize
T2  - United States. Dept. of Agriculture. Department bulletin,
AV  - S21 .A7 no. 1468
PY  - 1927///
CY  - Washington
PB  - Govt. Print. Off.
N1  - Includes bibliography
ER  -