000 00289nam a2200121Ia 4500
008 170501s9999 xx 000 0 und d
100 _aHelfrick Albert D
245 _aModern Electronic Intru & Measur Tech
250 _a-
260 _bPHI
_aNew Delhi
_c2006
300 _a445
999 _c16435
_d16435
942 0 0 _01