1963, 19(7): 425-441.
DOI: 10.7498/aps.19.425
CSTR: 32037.14.aps.19.425
1963, 19(7): 442-447.
DOI: 10.7498/aps.19.442
CSTR: 32037.14.aps.19.442
1963, 19(7): 448-455.
DOI: 10.7498/aps.19.448
CSTR: 32037.14.aps.19.448


