RT Journal Article SR Electronic T1 REPORT OF THE PERMANENT COMMISSION OF THE INTERNATIONAL SEISMOLOGICAL ASSOCIATION JF Science JO Science FD American Association for the Advancement of Science SP 199 OP 200 DO 10.1126/science.32.815.199 VO 32 IS 815 A1 KLOTZ, OTTO YR 1910 UL http://science.sciencemag.org/content/32/815/199.abstract AB