C. Keffer

Crystal structure of twinned low-temperature lithium phosphate

C. Keffer, A. Mighell, F. Mauer, 1967 .

PbTe Debye-Waller Factors and Band-Gap Temperature Dependence

C. Keffer, A. Bienenstock, T. M. Hayes, 1968 .

Polymorphism in Hydrogen Iodide

C. Keffer, F. Mauer, D. Robinson, 1965 .

Debye-Waller Factors and the PbTe Band-Gap Temperature Dependence

C. Keffer, A. Bienenstock, T. M. Hayes, 1970 .