Stellar sources in the ISOGAL outer bulge fields (7 and 15 μm ISOCAM observations) D. K. Ojha, A. Omont, F. Schuller, G. Simon and the ISOGAL Collaboration EAS Publications Series, 4 (2002) 157 Published online: 25 September 2002 DOI: 10.1051/eas:2002072