1. Olver, F. W. J. , Olde Daalhuis, A. B. , Lozier, D. W. , Schneider, B. I. , Boisvert, R. F. , Clark, C. W. , Miller, B. R. , and Saunders, B. V. (Eds.) Release 1.0.17 of 2017-12-22, [DLMF] NIST Digital Library of Mathematical Functions. National Institute of Standards and Technology, US Department of Commerce.
2. The Stress Analysis of Cracks Handbook, Third Edition
3. Crustal structure of Mauna Loa Volcano, Hawaii, from seismic refraction and gravity-data;Zucca;Bulletin of the Seismological Society of America,1982