1953, 9(2): 93-109.
DOI: 10.7498/aps.9.93
CSTR: 32037.14.aps.9.93
1953, 9(2): 110-129.
DOI: 10.7498/aps.9.110
CSTR: 32037.14.aps.9.110
1953, 9(2): 130-147.
DOI: 10.7498/aps.9.130
CSTR: 32037.14.aps.9.130


