TY  - BOOK
AU  - Rogers,Don E.
TI  - Engines, progress, and power
T2  - A Whitman learn about book,
AV  - PZ10.R62 En
U1  - 621.4 
PY  - 1962///]
CY  - Racine, Wis.
PB  - Whitman Pub. Co.
KW  - Engines
KW  - Juvenile literature
UR  - http://www.archive.org/details/enginesprogressp00roge
UR  - http://www.openlibrary.org/books/OL5852819M
ER  -