Minutes of the meeting of the Board of Directors of the Seismological Society of America, February 27, 1931
1931 ◽
Vol 21
(1)
◽
pp. 80-83
1974 ◽
Vol 64
(5)
◽
pp. 1607-1611
1982 ◽
Vol 72
(6B)
◽
pp. S393-S396
1975 ◽
Vol 65
(4)
◽
pp. 1039-1042