1961, 17(5): 205-213.
DOI: 10.7498/aps.17.205
CSTR: 32037.14.aps.17.205
1961, 17(5): 214-221.
DOI: 10.7498/aps.17.214
CSTR: 32037.14.aps.17.214
1961, 17(5): 237-245.
DOI: 10.7498/aps.17.237
CSTR: 32037.14.aps.17.237


