1. Witt, P. A., Jr. Chem. Eng., 109 (May 1972).
2. Roberts, R. M. and Wilson, E. M. The Value of Refuse Energy and the Cost of its Recovery. Paper presented at the ASME Winter Annual Meeting, Washington, D.C., Nov. 28 - Dec. 2 (1971).
3. Kaiser, E. R., Zeit, C. D. and McCaffery, J. B., Proc. 1968 Natl. Incinerator Conf., New York, N.Y., May 5-8, 142 (1968).
4. Batch retort pyrolysis of solid municipal wastes
5. Purdom, P. W., Shoenberger, R. J., Michaels, A. and Bergstrom, A. 1966 Amer. Public Works Assn. Annual Meeting.