PT - JOURNAL ARTICLE AU - George Ferdinand Becker TI - Impact friction and faulting AID - 10.2475/ajs.s3-30.176.116 DP - 1885 Aug 01 TA - American Journal of Science PG - 116--128 VI - s3-30 IP - 176 4099 - http://www.ajsonline.org/content/s3-30/176/116.short 4100 - http://www.ajsonline.org/content/s3-30/176/116.full SO - Am J Sci1885 Aug 01; s3-30