000 00249nam a2200097Ia 4500
008 170619s9999 xx 000 0 und d
100 _aSreekanth- P.V
245 0 _aDigital Tranmission Hierarchies & Networks
260 _bUNIVERSITIES PRESS
260 _c2010
546 _aENGLISH
999 _c21377
_d21377