共 12 条
[6]
BAYE D, UNPUBLISHED
[7]
BAYER R, 1977, ACTA INFORM, V9, P1
[8]
BERNHARDT KG, 1978, 1977 P INT C RES HEA, P367
[10]
FREEMAN RM, 1978, PHYS REV LETT, V40, P927, DOI 10.1103/PhysRevLett.40.927