TY  - BOOK
AU  - Mach,Ernet
AU  - Vogl,Robert L.
AU  - Vogl,Sonia Wolff
ED  - Asutosh Collection (National Library, India)
TI  - Energy conservation: a report on one of a series of national conferences on the conservation of energy, Museum of Science and Industry, Chicago, Illinois, October 11, 1973 
U1  -  531.6 
PY  - 1911///
CY  - Chicago
PB  - Open court pbl.
KW  - Energy conservationes
ER  -