1957, 13(2): 101-114.
DOI: 10.7498/aps.13.101
CSTR: 32037.14.aps.13.101
1957, 13(2): 115-129.
DOI: 10.7498/aps.13.115
CSTR: 32037.14.aps.13.115
1957, 13(2): 150-176.
DOI: 10.7498/aps.13.150
CSTR: 32037.14.aps.13.150


