00000cam a22000003a 4500 UP-1685523046126196084 Buklod 20100921164743.0 a r |||| u| ta 100921s2009 xx d r |||| u| 9781844036110 (iLib)UPMNL-00011349978 UPMain eng T 15 A15 O63 2009 1001 inventions that changed the world General editor Jack Challoner. One thousand one inventions that changed the world. London Cassell Ill. c2009. 960 p. col. ill. 21 cm. Inventions History. Technological innovations. Challoner, Jack. UPMNL UPMNL-MAIN T 15 A15 O63 2009 Book