%0 Journal Article %T Multiple reflectors based autocollimator for three-dimensional angle measurement %A Su, Ang %A Liu, Haibo %A Yu, Qifeng %J Proceedings of SPIE %V 9302 %P 93023O-93023O-7 %@ 0277-786X %D 2015-03-04 %I SPIE %~ DeepDyve