Managing scleroderris : the perspective of pest specialists and economists. -- Sault Ste. Marie : Canadian Forest Service, 1996. -- 7 s. : 2 obr., 4 tab. ; 28 cm. -- (NODA Note ; No.16). -- ISBN 0-662-23953-9 (brož.) : .00. -- ISSN 1198-2233

630*443.3+630*4+33+630*64/*68+519.87+630*174.7
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