000 00338nam a2200145Ia 4500
008 150520s9999||||xx |||||||||||||| ||und||
082 _a581.1 A.
100 _aA. Mahadevan
245 _aPost intectional Defence Mechanisms
250 _a1991
260 _bT&T Pub.
300 _a581.1 A.
600 _aEngineering
942 _2ddc
_cBK
999 _c15630
_d15630