00269nam a22000977a 450000500170000000800410001702000150005804000080007324500450008126000450012620200904152020.0200904b           ||||| |||| 00| 0 eng d  a0216908310  cCML  aHeat: Introduction Science.cJackson, S.  aGreat BritainbBlackie and Son Ltdc1981