00000nam##2200000#a#4500000084SLIM2120250821011900.0250821s 0000 00eng d500.51983 Yearbook Of Science And The FutureErtel J.USAEncyclopaedia Britannica,Inc1983446pErtel J.B03543B03543RFPHSt. Andrew's College ofArts, Science and CommerceMBENGRM000084Y