TY  - BOOK
ED  - India.
TI  - Data of sesmological observatories 1975-
U1  - 551.22083 
PY  - 1975///-
CY  - Hyderabad
PB  - National Geophysical Research Institute
KW  - Seisnology
KW  - Hyderabad
KW  - Seismology
KW  - Observations
N1  - Library has 1975 - 1976
ER  -