Two-level Numerical Sampling Plans and Optimal Subsample Size Computations for Urophora affinis and Urophora quadrifasciata (Diptera: Tephritidae) on Spotted Knapweed

Author: NOWIERSKI R. M.   STORY J. M.   LUND R. E.  

Publisher: Entomological Society of America

ISSN: 1938-2936

Source: Environmental Entomology, Vol.16, Iss.4, 1987-08, pp. : 933-937

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