Dunn, Andrew
The children's atlas of inventions and discoveries Atlas of inventions and discoveries - London : Apple Press, 1997 - 96
DISCOVERIES IN SCIENCE--HISTORY--20TH CENTURY--CHRONOLOGY
INVENTIONS--HISTORY--20TH CENTURY--CHRONOLOGY
Q180.55 .D57 / D855C
The children's atlas of inventions and discoveries Atlas of inventions and discoveries - London : Apple Press, 1997 - 96
DISCOVERIES IN SCIENCE--HISTORY--20TH CENTURY--CHRONOLOGY
INVENTIONS--HISTORY--20TH CENTURY--CHRONOLOGY
Q180.55 .D57 / D855C