ZHAO LI-ZENG, LEI ZI-MING, ZHANG XIU-LAN, JIANG DE-YI, SHEN LI-KANG, LU ZHEN-ZHONG, NIE YU-XIN, ZHANG JING-YUAN, GAO REN-HE, JIN SHU-HENG, LI QIONG-RU. SPECTRAL CHARACTERISTICS OF UV COHERENT RADIATION GENERATED BY FOUR-WAVE PARAMETRIC PROCESS IN SODIUM VAPOURJ. Acta Physica Sinica, 1985, 34(9): 1208-1211. DOI: 10.7498/aps.34.1208