@book{21993,
	author = {Manchado, A., ed. and Schonberner, D., ed.},
	title = {Planetary Nebulae: An Eye to the Future},
	publisher = {Cambridge University Press                                  },
	year = {2012},
	series = {IAU Symposium; no. 283},
	address = {Cambridge                                                   },
	url = {https://www.cambridge.org/core/journals/proceedings-of-the-international-astronomical-union/issue/AE84D3AFB0B58D28EF29C2AB7E4E54CB}
}