00262nam a22000977a 450000500170000000800410001702000140005804000080007224500390008026000450011920200904104651.0200904b           ||||| |||| 00| 0 eng d  a216908264  cCML  aIntroduction Science.cJackson, S.  aGreat BritainbBlackie and Son Ltdc1980