Invertebrates of the H.J. Andrews Experimental Forest, Western Cascade Mountains, Oregon: IV. The Oribatid Mites (Acari: Cryptostigmata)
Portland, OR: U.S. Department of Agriculture, 1988. First Edition. General Technical Report PNW-GTR-217. Quarto; vi, 112pp. Near Fine copy. Laid in is the errata sheet replacing pp 20-21. More