TY  - BOOK
AU  - Krombein,Karl V.
TI  - Biosystematic studies of Ceylonese wasps. XXI, A revision of the Bethylinae and Epyrinae (Cephalonomiini and Sclerodermini) (Hymenoptera:Bethylidae)
PY  - 1996///
CY  - Washington, D.C.
PB  - Smithsonian Institution Press
N1  - Companion to: Smithsonian contributions to zoology ; no. 579
ER  -