共 14 条
[11]
RING HM, 1970, THESIS U MICHIGAN
[12]
Schroeder L. S., 1969, Physical Review, V188, P2081, DOI 10.1103/PhysRev.188.2081
[13]
SMITH GE, PRIVATE COMMUNICATIO
[14]
1970, PHYS LETTERS B, V33, P1