000 00300nam a2200121Ia 4500
020 _a0306404923
100 _aJohn R Pierce
245 _aIntroduction to Communication Science and Systems
260 _c1987
_bKhanna Publishers
_aDelhi
300 _axvi+384
700 _aEdward C Posner
942 _cBK
999 _c18035
_d18035