共 7 条
[2]
ELLIS R, 1973, Patent No. 1473493
[5]
LAWTHER C, 1977, PHYS STATUS SOLIDI A, V44, P313, DOI 10.1002/pssa.2210440133
[6]
MEARS AL, 1973, SID INT S LOS ANGELE, P30
[7]
VECHT A, 1969, J PHYS D, P953