000 00397 a2200181 4500
000 BK
008
001 146779
100 _a
_d
245 1 _aBuild an impenetrable fortress
_b
260 _aIndia
_bMoser baer
_c2013
300 _a
490 _a
500 _a
690 _aComputer science
700 _a
964 _a
_b
_c
_d
_e
_f
_g
999 _c12977
_d12977