TY  - BOOK
AU  - Schrader,M.N.,Laberge,W.E.
TI  - Nest biology of the bees andrena(Melandrena) regularies malloch and andrena (Melandrena) carlini cockerell (Hymenoptera: Andrenidae)
PY  - 1978///
CY  - Urbana
ER  -