Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MURAKAMI Ryuichi and NISHIOKA Toshihisa and MATSUO Satoshi and KITTAKA Hiroyuki,Theory of Mixed-Mode Caustics for Stationary Cracks in Optically Anisotropic Materials.,TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A,03875008,The Japan Society of Mechanical Engineers,1992,58,547,400-407,https://cir.nii.ac.jp/crid/1390282679393703296,https://doi.org/10.1299/kikaia.58.400