TY - RPRT TI - Initial Graphics Exchange Specification IGES Version 1.0 AU - Nagel, Roger N AU - Braithwaite, Walt W AU - Kennicott, Phillip R PY - 1980 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 80-1978 DO - 10.6028/NBS.IR.80-1978 ER -