共 16 条
[4]
Gray GW., 1975, J PHYS COLLOQUES, V36, DOI [10.1051/jphyscol:1975157, DOI 10.1051/JPHYSCOL:1975157]
[5]
JAIN PC, 1982, POSITRON ANNIHILATIO, P748
[6]
JAIN PC, 1972, J PHYS C, V65, P2156
[7]
JAIN PC, 1982, 2ND P NAT S POS ANN
[8]
KAFLE SRS, 1981, THESIS DELHI U
[10]
ORAHOVATS AS, 1973, C R ACAD BULG SCI, V26, P663