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SUSCEPTIBILITY OF BALSAM FIR TO SPRUCE BUDWORM DEFOLIATION AS AFFECTED BY THINNINGCROOK GW; VEZINA PE; HARDY Y et al.1979; CAN. J. FOR. RES.; ISSN 0045-5067; CAN; DA. 1979; VOL. 9; NO 3; PP. 428-435; ABS. FRE; BIBL. 17 REF.Article
CLIMATIC, SITE AND STAND FACTORS. SOUTHERN PINE BEETLEHICKS RR JR.1982; USDA, FOR. SERV., TECHN. BULL.; USA; DA. 1982; NO 1631; PP. 55-68Article
ODUMIRANI JEDLE V OBLASTI JIHOCESKYCH STATNICH LESU = LE PROBLEME DU DEPERISSEMENT DU SAPIN DANS LA ZONE DES FORETS D'ETAT DE LA BOHEME MERIDIONALEBROZ A.1982; LESNICTVI; CSK; DA. 1982; VOL. 28; NO 9; PP. 741-756; ABS. RUS/ENG/GER/FRE; BIBL. 22 REF.Article
Variations in beech bark disease and its effects on species composition and structure of northern hardwood stands in central New EnglandTWERY, M. J; PATTERSON, W. A.1984, Vol 14, Num 4, pp 565-574Article