Kuo chia ti chen chu  ti chih yen chiu so
Subtitle: chien chieh.
Publisher: [Kuo chia ti chen chu , Ti chih yen chiu so
Published: 1970
Place of publication: Beijing
Language: chi
Number of pages: 37
Subjects: Kuo chia ti chen chu  ti chih yen chiu so (China); Seismology -- China.
Notes: Chinese and English.