@book{21996,
	author = {Webb, David, ed. and Mandrini, Cristina, ed.},
	title = {Comparative Magnetic Minima: Characterizing quiet times in the Sun and Stars},
	publisher = {Cambridge University Press                                  },
	year = {2012},
	series = {IAU Symposium; no. 286},
	address = {Cambridge                                                   },
	url = {https://www.cambridge.org/core/journals/proceedings-of-the-international-astronomical-union/issue/44C1004BA8B98EAACFB2A8F3309E24F2}
}