共 11 条
[3]
DELGUERRA A, 1985, 7TH P INT C POS ANN, P810
[4]
DERENZO SE, 1982, POSITRON ANNIHILATIO, P935
[5]
JEAVONS AP, 1980, IAEASM24765, P49
[10]
PHELPS ME, 1986, POSITRON EMISSION TO