A Study on the Effect and the Optimum Angle of the Greenhouse Slope
Li You, Dong Zhongqiang, Wang Qian, Gao Jiangong, Yang Xiaoli
ACTA AGRICULTURAE BOREALI-SINICA . 1995, (S1): 190 -195 .  DOI: 10.3321/j.issn:1000-7091.1995.z1.040