Unclassified documents. NYO-951. Heat capacity of MgCd3 between 12 and 320° K, low temperature transformations and residual entropy of MgCd3 superiattice, progress report for Oct. 1, 1952-Jan. 1, 1953 [with bibliography]; by R. S. Craig, W. E. Wallace, L. W. Coffer, C. A. Krier.