2001, 50(1): 83-87.
DOI: 10.7498/aps.50.83
CSTR: 32037.14.aps.50.83
2001, 50(1): 95-98.
DOI: 10.7498/aps.50.95
CSTR: 32037.14.aps.50.95
2001, 50(1): 182-184.
DOI: 10.7498/aps.50.182
CSTR: 32037.14.aps.50.182
2001, 50(1): 185-188.
DOI: 10.7498/aps.50.185
CSTR: 32037.14.aps.50.185


