A REVISION OF NORTH AMERICAN EPIGEAN SPECIES OF ASELLUS (Crustacea: Isopoda), Smithsonian Contributions to Zoology, No. 49.
Smithsonian Institution Press: Washington DC, 1970. Item #97-4754
10 x 8, softcover, 80 pp, 57 figures, bib, ex-lib, else vg. FIRST ED.
Price: $10.00
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