00257pam a2200109 a 4500020000500000041000800005082000800013100001600021245007100037260002900108300001000137  c  aeng  bHAV  aHavil, R.L.  aElements of Electronics for Physical ScientistshTextual Documents  aLondon:bE.L.B.S,c1978.  a321p.