000 00484cam a2200181ua 4500
020 _a81 203 1080 2
_c175.00
041 _aeng
_h
082 _a005.71
_bHEL/UN
100 _aHeld, Gilbert .
245 _aUnderstanding data communications /
_cGilbert Held.
_hTextual Documents
250 _a4 /
_b.
260 _aNew Delhi :
_bPrentice Hall of India Pvt Ltd. ,
_c1996.
300 _a435 ; .
365 _a175.00
504 _a
942 _cBK
999 _c336972
_d336972