ISSN 1005-2518
CN 62-1112/TF
Study on the Technical of Sececurity to Definite Height by Handling
MAO Zhen-Shan, LIU Hua-Qing, LI He-Beng, XUE Tian-Chi, WANG Bao-Gong
J4 . 2006, (1): 36 -39 .