000 | 00392nam a2200181 4500 | ||
---|---|---|---|
020 |
_a _c |
||
082 | _aBV BST 1970.40(10) | ||
100 | _a | ||
245 | _aBell system technical journal, 1970, Vol.49, No.10 | ||
250 | _a | ||
260 |
_aBell System _c1970 |
||
300 | _a3019 | ||
490 | _a | ||
500 | _a | ||
590 |
_aVMV _b _c |
||
650 | _aBell system technical journal | ||
942 | _cBK | ||
999 |
_c476354 _d476354 |