VALLADARES, RM;
HAYES, W;
FISHER, AJ;
STONEHAM, AM;
(1993)
DEFECT ELECTRONIC STATES IN BETA-CAROTENE AND LOWER HOMOLOGS.
J PHYS-CONDENS MAT
, 5
(38)
7049 - 7062.
10.1088/0953-8984/5/38/002.