Author: Yang Yong C. Kung Fan H.
Publisher: Society of American Foresters
ISSN: 0022-1201
Source: Journal of Forestry, Vol.81, Iss.4, 1983-04, pp. : 224-227
Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.
Abstract