TY - GEN AU - Boisvert, Ronald F AU - Howe, Sally E AU - Springmann, Jeanne L C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1989-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.IR.89-4042 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1989 TI - Internal structure of the guide to available mathematical software: ER -