000 00305nam a2200109Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
100 _aRamakrishna, raghu, Gehrke, johannes
245 0 _aDatabase Management Systems
260 _aMc graw hill
_bBangalooru
300 _b125
650 _aCOMMUNICATION SYSTEM
999 _c137270
_d137270