Vytlačiť
1. Control of the white pine weevil in young plantations using a spring application of insecticides
Control of the white pine weevil in young plantations using a spring application of insecticides
Groot Peter de
Zylstra Bert
Sault Ste. Marie : Canadian Forest Service , 1996. - 1 dvojlist : 3 obr., 28 cm
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