TY - JOUR
AU - W. Harter
AU - N. dos Santos
BT - American Journal of Physics
DA - Jan-01-1978
DO - 10.1119/1.11134
PY - 1978
EP - 251
T2 - American Journal of Physics
TI - Double-group theory on the half-shell and the two-level system. I. Rotation and half-integral spin states
UR - http://link.aip.org/link/?AJP/46/251/1\&Agg=doi
VL - 46
SN - 00029505
ER -