00551nam a2200193Ia 450000500170000000800410001704000190005804100120007708200130008910000240010224500820012626000270020830000160023544000350025165000190028665100120030570000300031785000100034720240606095502.0131103s9999    xx            000 0 und d  aLoreto College  aEnglish  a570bHEA  aHeafford, Philip E.  aMagnets and electric powercPhilip E. Heafford; edited by Charles H. Dobinson  aLondonbLongmansc1965  a80p.b ill.  aScience on the march unit nine  aElectric power  aScience  aDobinson, Charles H.; ed.  aLCBED