TY  - BOOK
AU  - Charles. C Colby
AU  -  Alice Foster, 
TI  - Investigations in industries and resources
U1  - 331 
PY  - 1941///
CY  - New York
PB  - Ginn and company
N1  - Charles. C Colby & Alice Foster: Investigations in industries and resources..  New York.  Ginn and company, 1941.--(331COL)
ER  -