Design and implementation of correction system for measuring error of automobile headlamp beam
MIN Yongjun, ZHU Liujian, ZHU Huayong, XU Zhaojun
JOURNAL OF NANJING FORESTRY UNIVERSITY . 2010, (02): 107 -110 .  DOI: 10.3969/j.jssn.1000-2006.2010.02.025