000
00271nam a2200121Ia 4500
008
220201s2011 xx 000 0 eng d
082
_a
001.642-MAD
100
_a
Mandick
245
0
_a
Operating Systems
260
_a
New Delhi
_b
Phi
_c
2011
300
_a
972
942
_2
ddc
999
_c
65437
_d
65437