@article {Prado:Aug1972:0004-8402:168,
	author = "Prado, C.G.",
	title = "Subjects and states",
	journal = "Australasian Journal of Philosophy",
	volume = "50",
	year = "Aug1972",
	abstract = "",
	pages = "168-172(5)",
	url = "http://www.ingentaconnect.com/content/routledg/ajphil/1972/00000050/00000002/art00007"
	doi = "doi:10.1080/00048407212341201"
}