c(
	bibentry(
	    bibtype = "Manual",
	    title = "{occ}: Estimation of PET Neuroreceptor Occupancies",
	    author = person("Joaquim", "Radua"),
	    year = sub("-.*", "", meta$Date),
	    note = sprintf("R package version %s", meta$Version)
	),
	bibentry(
	    bibtype = "Article",
	    title = "Restricted maximum likelihood estimation of PET neuroreceptor occupancy in the absence of a reference region",
	    author = c(
			person("Joaquim", "Radua"),
			person("Santiago", "Bullich"),
			person("Natalia", "Lopez"),
			person("Ana M", "Catafau")
		),
	    journal = "Medical Physics",
	    year = 2011,
            volume = 38,
            pages = c(2558, 2562)
	)
);
