TY  - BOOK
AU  - Lewis,Julian J.
AU  - Bowman,Thomas E.
TI  - The subterranean Asellids (Caecidotea) of Illinois: (Crustacea, Isopoda, Asellidae) 
PY  - 1981///
CY  - Washington
PB  - Smithsonian Institution Press
ER  -