You may also wish to search for items by Dufner, D. and Dufner.
Only one matching reference was found.
Kingcade, J.E.; Dufner, D.C.; Gupta, S.K.; Gingerich, K.A., A thermodynamic study of the gaseous molecules CuSn2 and Cu2Sn, High Temp. Sci., 1978, 10, 213. [all data]