McClain, M.
, Feldman, A.
, Kahaner, D.
and Ying, X.
(1989),
An algorithm and computer program for the calculation of envelope curves:, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NIST.IR.89-4210
(Accessed November 8, 2024)