@article {2013Natur.494...65O,
	title = {An outburst from a massive star 40 days before a supernova explosion},
	journal = {\nat},
	volume = {494},
	number = {7435},
	year = {2013},
	month = {feb},
	pages = {65-67},
	keywords = {Astrophysics - High Energy Astrophysical Phenomena},
	doi = {10.1038/nature11877},
	author = {Ofek, E. O. and Sullivan, M. and Cenko, S. B. and Kasliwal, M. M. and Gal-Yam, A. and Kulkarni, S. R. and Arcavi, I. and Bildsten, L. and Bloom, J. S. and Horesh, A. and Howell, D. A. and Filippenko, A. V. and Laher, R. and Murray, D. and Nakar, E. and Nugent, P. E. and Silverman, J. M. and Shaviv, N. J. and Surace, J. and Yaron, O.}
}
