1976, 25(1): 23-30.
DOI: 10.7498/aps.25.23
CSTR: 32037.14.aps.25.23
1976, 25(1): 31-46.
DOI: 10.7498/aps.25.31
CSTR: 32037.14.aps.25.31
1976, 25(1): 58-64.
DOI: 10.7498/aps.25.58
CSTR: 32037.14.aps.25.58


