00731cam a22002411 4500 c 60002913 DLC 20260227111033.0 030910s1959 cc a 000 0 chi c 60002913 (CStRLIN)DCLP03-B13341 DLC-R DLC-R DLC QB175 .H8 $1 880-01 Hu, Jiqin. 880-02 Ri yue jiao shi ji ben yuan li, Hu Jiqin bian zhu. 880-03 Beijing, Shang wu yin shu uan, 1959. 91 p. illus. 19 cm. Eclipses. 100-01/$1 胡継勤. 245-02/$1 日月交食基本原理 胡継勤編著. 260-03/$1 北京 商务印書館 1959. 12713 12713