Sanders, Christopher J. Pheromone traps for detecting incipient outbreaks of the spruce budworm, Choristoneura fumiferana (Clem.) / C. J. Sanders. -- Sault Ste. Marie : Canadian Forest Service, 1996. -- 8 s. : 4 obr., 1 tab., príl. ; 28 cm. -- (NODA/NFP technical report ; TR-32). -- ISBN 0-662-24951-8 (brož.)

630*411+630*453+614.449+630*453+630*145.7+504.064.36:595.7+630*414.11
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