RT Journal Article SR Electronic(1) A1 Chang, Toshi A1 Canales, Luis A1 Shih, Chung-ChiYR 1999 T1 Multi-Valued Two-Point Raytracing JF , VO OP SP cp-215-00313 DO https://doi.org/10.3997/2214-4609-pdb.215.sbgf406 PB European Association of Geoscientists & Engineers, SN 2214-4609, AB , UL https://www.earthdoc.org/content/papers/10.3997/2214-4609-pdb.215.sbgf406