MASON, Richard R. Populations of arboreal spiders (Araneae) on Douglas-firs and true firs in the Interior Pacific Northwest / Richard R. Mason. -- [s.l. : [s.n.], 1992 - P. 75-80 Separata de : Environmental Entomology. Vol. 21, n. 1 (1992) Subjects--Topical Terms: AraneaeArañas arborícolas Universal Decimal Class. No.: 595.44