1964, 20(4): 305-310.
DOI: 10.7498/aps.20.305
CSTR: 32037.14.aps.20.305
1964, 20(4): 327-336.
DOI: 10.7498/aps.20.327
CSTR: 32037.14.aps.20.327
1964, 20(4): 368-373.
DOI: 10.7498/aps.20.368
CSTR: 32037.14.aps.20.368
1964, 20(4): 381-382.
DOI: 10.7498/aps.20.381
CSTR: 32037.14.aps.20.381


