NOTE ON CUSPS IN SEISMIC TRAVEL-TIMES

[1] BULLEN K, 1959, INTRO THEORY SEISMOL

[2] A NEW METHOD OF DERIVING SEISMIC VELOCITY DISTRIBUTIONS FROM TRAVEL-TIME DATA [J]. GEOPHYSICAL JOURNAL OF THE ROYAL ASTRONOMICAL SOCIETY, 1960, 3 (02): : 258 - 269

[3] BULLEN KE, 1945, MON NOT R ASTR SO SG, V5, P91

[1] BULLEN K, 1959, INTRO THEORY SEISMOL

[2] A NEW METHOD OF DERIVING SEISMIC VELOCITY DISTRIBUTIONS FROM TRAVEL-TIME DATA [J]. GEOPHYSICAL JOURNAL OF THE ROYAL ASTRONOMICAL SOCIETY, 1960, 3 (02): : 258 - 269

[3] BULLEN KE, 1945, MON NOT R ASTR SO SG, V5, P91