1. K. J. K. Buettner, The Moon’s First Decimeter (Memorandum Rand Corp., No. RM-3263 — JPL, September 1962 ).
2. H. H. Blau and H. Fischer, eds., Radiative Transfer from Solid Materials ( Macmillan, New York, 1962 ).
3. H. S. Carslaw and J. C. Jaeger, Conduction of Heat in Solids, second ed. (Oxford University Press, 1959 ).
4. R. J. Coates, Ap. J. 133, 723 (1961).
5. D. D. Cudaback, thesis, University of California, Berkeley (1962); see also R. Bracewell, Astron. J. 67, 786 (1962).