Babaie, H. A., and Babaei, A., 2003a. Development of the Plate Tectonics and Seismology Markup Language with XML, EGS-AGU-EUG Meeting, Nice France April 11, 2003.
Babaie, H. A., and Babaei, A. 2003b. Applying UML and XML in designing geological markup languages. GSA Abstracts with Program, Seattle Washington, Nov. 5, 2003.
Babaie, H. A., and Babaei, A. 2003c. The XML XSD Schema and interchange of geological data. GSA Abstracts with Program, Seattle Washington, Nov. 5, 2003.
Cronin, V., 2004. A Draft Primer on Focal Mechanism Solutions for Geologists. http:// serc.carleton.edu /files/ NAGTWorkshops /structure04 /Focal_mechanism_primer.pdf (Vince_Cronin@baylor.edu)
De Paor, D.G., 1999. Tectonic Markup Language – An Idea Whose Time has Come. Geological Society of American Annual Meeting, Montreal, Canada. Prog. & Abstr. 31, 115.
De Paor, D.G., Melanson H., and Wilson, E. 2004. Analysis of structural orientation data in space and time. gsa.confex.com/gsa/2004AM/finalprogram/abstract_75232.htm
De Paor, D. G., Morley, L., Melanson, H., and Wilson, E., 2005. Presenting Geological and Geophysical Orientation Data on Interactive Maps. Geol Soc. Amer. Paper No. 11-5.
Imanishi, K., Cho, I., Kuwahara, Y., Hirata, N., and Panayotopoulos, Y., 2006. Focal mechanism solutions of microearthquakes around the southern part of the Itoigawa-Shizuoka Tectonic Line http:// www-jm.eps.s.u-tokyo.ac.jp/ 2006cd-rom/ pdf/ S110/ S110-P002_e.pdf
Lillie, R.J., 1999. Whole Earth Geophysics – An Introductory Textbook for Geologists and Geophysicists. Prentice Hall, N.Y., 361 pp.
Lisa, M., Khan, S.A., and Khwaja, A.A., 2004. Focal mechanism study of north Potwar de-formed zone, Pakistan Acta Seismologica Sinica, v. 17, No.3 (255~261) Article ID: 1000-9116(2004)03-0255-07. http:// www.cea-igp.ac.cn /English.files /ass /ass2004 /ASS_2004_3_Mona.pdf
McNutt S. R., and Sánchez, J.J., 2000. Composite Focal Mechanisms at Four Alaskan Volcanoes. 95th annual meeting of the Seismological Society of America, 9-12 April 2000, San Diego, CA, USA.
Preston, L., Vonseggern, D., and Smith, K., 2004. http:// www.seismo.unr.edu /greatbreak /abstracts /preston.txt
Sherburne, R.W., and Cramer, C., 1984. Focal mechanism studies: an explanation. California Geology, Vol. 37, No. 3.