A gallery of bubbles - The nature of the bubbles observed by Spitzer and what ATLASGAL tells us about the surrounding neutral materialL. Deharveng, F. Schuller, L. D. Anderson, A. Zavagno, F. Wyrowski, K. M. Menten, L. Bronfman, L. Testi, C. M. Walmsley and M. WienenA&A, 523 (2010) A6DOI: https://doi.org/10.1051/0004-6361/201014422
