References

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A. D. McLean and B. Liu, J. Chem. Phys. 58, 1066 (1973).

2.

A. Bunge, J. Chem. Phys. 53, 20 (1970).

3.

C. F. Bender and H. F. Schaefer, J. Chem. Phys. 55, 4798 (1971).

4.

B. R. Brooks and H. F. Schaefer, J. Chem. Phys. 70, 5092 (1979).

5.

A. Bunge, Doctoral Thesis, University of Florida (1968).