@book{21937,
	author = {Cesaroni, Riccardo, ed. and Churchwell, E. B., ed.},
	title = {Massive star birth: a crossroads of astrophysics                                                                        },
	publisher = {Cambridge University Press                                  },
	year = {2005},
	series = {IAU symposium; no. 227},
	address = {Cambridge                                                   },
	url = {https://www.cambridge.org/core/journals/proceedings-of-the-international-astronomical-union/issue/61E9B1ACFD796A729032E8F2D6581920}
}