TY  - GEN
TI  - TRENDS AND OPPORTUNITIES IN SEISMOLOGY
SN  - 0309026121
U1  - 551.22 
PY  - 1977///
CY  - 
PB  - National Academy Of Sciences, Washington, D.C.
KW  - Seismology -- Research -- United States
N1  - Includes Bibliography
ER  -