@article{Abrahantes2004,
	title = {Choice of units of analysis and modeling strategies in multilevel hierarchical models},
	author = {Jos{\'e} Corti{\~n}as Abrahantes and Geert Molenberghs and Tomasz Burzykowski and Ziv Shkedy and Ariel Alonso Abad and Didier Renard},
	day = {01},
	journal = {Computational Statistics \& Data Analysis},
	month = {Oct},
	number = {3},
	pages = {537--563},
	url = {http://www.sciencedirect.com/science/article/B6V8V-4BDVY8T-1/1/d7accb247ee31888848d4a58a170b7f0},
	volume = {47},
	year = {2004},
	biburl = {http://www.bibsonomy.org/bibtex/2c2b3b731e565964022a6ebe75082ec34/smicha},
	keywords = {Linear mixed model }
}

@article{Abrahantes2007,
	title = {Comparison of different estimation procedures for proportional hazards model with random effects},
	author = {Jos{\'e} Corti{\~n}as Abrahantes and Catherine Legrand and Tomasz Burzykowski and Paul Janssen and Vincent Ducrocq and Luc Duchateau},
	day = {01},
	journal = {Computational Statistics \& Data Analysis},
	month = {May},
	number = {8},
	pages = {3913--3930},
	url = {http://www.sciencedirect.com/science/article/B6V8V-4JT3NHW-3/1/3093f88c3f7c7ed1da03f4da8d1408da},
	volume = {51},
	year = {2007},
	biburl = {http://www.bibsonomy.org/bibtex/221ba4087b5564472c8b571e6f6a2f676/smicha},
	keywords = {Frailty model }
}

@article{journals/csda/AbrahantesMBSAR04,
	title = {Choice of units of analysis and modeling strategies in multilevel hierarchical models.},
	author = {José Cortiñas Abrahantes and Geert Molenberghs and Tomasz Burzykowski and Ziv Shkedy and Ariel Alonso Abad and Didier Renard},
	journal = {Computational Statistics & Data Analysis},
	number = {3},
	pages = {537-563},
	url = {http://dblp.uni-trier.de/db/journals/csda/csda47.html#AbrahantesMBSAR04},
	volume = {47},
	year = {2004},
	biburl = {http://www.bibsonomy.org/bibtex/2f833de0b72ad211b709a2a1a6910ffc4/dblp},
	description = {dblp},
	ee = {http://dx.doi.org/10.1016/j.csda.2003.12.003}, date = {2007-04-18},
	keywords = {dblp }
}

@article{journals/csda/AbrahantesLBJDD07,
	title = {Comparison of different estimation procedures for proportional hazards model with random effects.},
	author = {José Cortiñas Abrahantes and Catherine Legrand and Tomasz Burzykowski and Paul Janssen and Vincent Ducrocq and Luc Duchateau},
	journal = {Computational Statistics & Data Analysis},
	number = {8},
	pages = {3913-3930},
	url = {http://dblp.uni-trier.de/db/journals/csda/csda51.html#AbrahantesLBJDD07},
	volume = {51},
	year = {2007},
	biburl = {http://www.bibsonomy.org/bibtex/2e19d9c22228f2cde79e0d18bdc8d6195/dblp},
	description = {dblp},
	ee = {http://dx.doi.org/10.1016/j.csda.2006.03.009}, date = {2007-04-17},
	keywords = {dblp }
}