000 00330nam a22001337a 4500
008 221011b |||||||| |||| 00| 0 eng d
082 _a621.382
_bLAT
100 _aLathi B P
245 _aCOMMUNICATION SYSTEMS
260 _aNew Delhi:
_bWiley Eastern Limited;
_c1968.
300 _a431p
_c18;15
504 _aIndex
942 _cBK
999 _c275483
_d275483