TY - RPRT TI - Validated products list, 1994 no. 4: programming languages, database language SQL, graphics, GOSIP, POSIX, computer security PY - 1994 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 5510 DO - 10.6028/NIST.IR.5510 ER -