@book{21952,
	author = {Chapman, J. M., ed. and Baan, Willem A., ed.},
	title = {Astrophysical masers and their environments                                                                             },
	publisher = {Cambridge University Press                                  },
	year = {2008},
	series = {IAU symposium; no. 242},
	address = {Cambridge                                                   },
	url = {https://www.cambridge.org/core/journals/proceedings-of-the-international-astronomical-union/issue/756159D1151D24D7E0197562156317CC}
}