TY  - BOOK
AU  - Aaseng,Nathan
TI  - Yearbooks in Science : 1930-1939
SN  - 9780805034332
U1  - 609.04 
PY  - 1997///
CY  - Minneapolis : 
PB  - Twenty-First Century Books [Imprint], Lerner Publishing Group.
KW  - Engineers
KW  - Inventions
KW  - Science
KW  - Scientists
KW  - Technology
N2  - Annotation
ER  -