Propagation of the leaf cutter bee for Alfalfa seed production
Stephen, W.P.
Propagation of the leaf cutter bee for Alfalfa seed production - Corvallis 1962 - 16 p. - No. 586; Oregon Agricultural E .
632.79:633.311-1.531.12
Propagation of the leaf cutter bee for Alfalfa seed production - Corvallis 1962 - 16 p. - No. 586; Oregon Agricultural E .
632.79:633.311-1.531.12