000 00303nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a621.319
100 _aJohn D Lenk
245 0 _aSimplified Design Of Switching Power Supplies
250 _a1
260 _bButterworth Heinemann
_c1995
942 _cBK
999 _c24547
_d24547