. GSJ-A型测角仪[J]. 光学精密工程, 1981,(3): 42-42

. [J]. Editorial Office of Optics and Precision Engineering, 1981,(3): 42-42

. GSJ-A型测角仪[J]. 光学精密工程, 1981,(3): 42-42 DOI：

. [J]. Editorial Office of Optics and Precision Engineering, 1981,(3): 42-42 DOI：