Authors:
Adelchi Azzalini [aut, cre]
,
Alan Genz [aut] (most Fortran code)
,
Alan Miller [ctb] (Fortran routine PHI)
,
Michael J. Wichura [ctb] (Fortran routine PHINV)
,
G. W. Hill [ctb] (Fortran routine STDINV)
,
Yihong Ge [ctb] (Fortran routines BNVU and MVBVU).