1. IBM Application Program No. CH20-0205-4 System/360 Scientific Subroutine Package. Version III. Programmer's Manual, Program Number 360A-CM-03X.
2. Program Library OSLO developed by Control Data Corporation.
3. Program Library MONTREAL developed by Control Data Corporation.
4. Quantum Chemistry Program Exchange. Department of Chemistry, Indiana University, Bloomington, IA 47405, U.S.A.