00564cam a2200193 i 4500001001200000008004100012020001800053020001500071041000800086044000800094082001200102100003700114245008400151260004600235300002800281440002700309650001000336700002400346ocm30295302730924@@   @   xxk@     @    @@@ @@eng d  a9780582321724  z058232172707beng  axxk04a5362201 aParker, Alfred J.q(Alfred John)10aHeat /cAlfred J. Parker and Philip E. Heafford ; illustrated by T.H. McArthur.  aLondon :bLongman,c1969,g1977 printing.  a46 p. :bill. ;c21 cm. 0aLongman physics topics 0aHeat.1 aHeafford, Philip E.