000 00313nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c95
040 _aET
100 _aKUMAR RAO
245 0 _aOPERATION BLACKBOARD
260 _bAPH.PUBLICATION
_aNEW DELHI
300 _a123
500 _a65721
942 _cBK
999 _c71684
_d71684