00459nam a2200157 a 450000500170000000800410001702000150005804100080007308200110008110000160009224500960010825000120020426400490021630000150026570000210028020260717092101.0260717s2000    ii            000 0 eng d  a1859863043  aeng04a509.221 aPorter, Ray14aThe Hutchinson Dictionary of Scientific Biography Vol - II (Abbe to Leavitt) /cPorter, Ray  a3rd Ed. 1aU. K. :bHelicon Publishing Ltd. Co.,c2000.  a599 1196p.1 aOgilvie, Marilyn