1. in Annual Report of the Theoretical Chemistry Group, October 1981 to September 1982 (Argonne National Laboratory, Argonne, IL, 1982).
2. in Annual Report of the Theoretical Chemistry Group, October 1982 to September 1983 (Argonne National Laboratory, Argonne, IL, 1983).
3. American National Standard Programming Language FORTRAN, ANSI X3.9-1978, ISO 1539-1980(E).