1981, 30(1): 22-27.
DOI: 10.7498/aps.30.22
CSTR: 32037.14.aps.30.22
1981, 30(1): 84-90.
DOI: 10.7498/aps.30.84
CSTR: 32037.14.aps.30.84
1981, 30(1): 117-119.
DOI: 10.7498/aps.30.117
CSTR: 32037.14.aps.30.117
1981, 30(1): 120-123.
DOI: 10.7498/aps.30.120
CSTR: 32037.14.aps.30.120
1981, 30(1): 124-131.
DOI: 10.7498/aps.30.124
CSTR: 32037.14.aps.30.124
1981, 30(1): 138-142.
DOI: 10.7498/aps.30.138
CSTR: 32037.14.aps.30.138
1981, 30(1): 147-152.
DOI: 10.7498/aps.30.147
CSTR: 32037.14.aps.30.147


