TY - GEN AU - McClain, M AU - Feldman, A AU - Kahaner, D AU - Ying, X T C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1989-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.IR.89-4210 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1989 TI - An algorithm and computer program for the calculation of envelope curves: ER -