Bentley, Cathy V. Prediction of residual canopy cover for white pine in central Ontario / Cathy V. Bentley. -- Sault Ste. Marie : Canadian Forest Service, 1996. -- 5 s. : 2 tab. ; 28 cm. -- (NODA Note ; No.20). -- ISBN 0-662-24095-2 (brož.) : .00. -- ISSN 1198-2233

630*53+630*174.7
ZV001