Huhta, Veikko Efficiency of different dry funnel techniques in extracting Arthropoda from raw humus forest soil / Veikko Huhta. -- [S.l.] : [s.n.], 1972 - pp. 42-48 Separata de : Ann. Zool. Fennici 9. Subjects--Topical Terms: Artrópodos Universal Decimal Class. No.: 595.2