Alok N. Choudhary Geoffrey Fox Seema Hiranandani Ken Kennedy Charles Koelbel Sanjay Ranka Chau-Wen Tseng Unified Compilation of Fortran 77D and 90D. 95-114 1993 2 LOPLAS 1-4 db/journals/loplas/loplas2.html#ChoudharyFHKKRT93 http://doi.acm.org/10.1145/176454.176495