| 000 | 00315nam a22000977a 4500 | ||
|---|---|---|---|
| 008 | 230822b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 245 | _aReports of the research institute of electrical communication | ||
| 260 |
_aJapan: _bTokyo University, |
||
| 942 | _cCR | ||
| 999 |
_c59191 _d59191 |
||