1. N. Austern:Direct Reaction Theories, inFast Neutron Physics, vol.2, ed. byJ. B. Marion andJ. L. Fowler (New York, 1963);Selected Topics in Nuclear Theory, ed. byF. Janouch (Vienna, 1963), and references cited therein.
2. G. R. Satchler:Nucl. Phys.,55, 1 (1964).
3. W. Tobocman:Theory of Direct Nuclear Reactions (New York, 1961).
4. L. J. B. Goldfard andR. C. Johnson:Nucl. Phys.,18, 353 (1960); and references cited in (1–3).
5. G. L. Vysotskii andA. G. Sitenko:Sov Phys. JETP,9, 812 (1959).