Self-Thinning and Growth Midelling for Even-aged Chinese Fir (Cunninghamia Lanceolata (Lamb.) Hook.)
Zhang Jianguo ; Duan Aiguo ; Sun Honggang ; Fu Lihua2011 年出版142 页ISBN:7030320209
MARKETING HOTELS INTO THE 90s:A SYSTEMATIC APPROACH TO INCREASING SALES
MELVYN GREENE1983 年出版242 页ISBN:0870554751