Per Year

 @book{autopoiesis-book1980,
	Address = {Dordrecht, Holland},
	Author = {Maturana, Humberto R. and Varela, Francisco G.},
	Booktitle = {Autopoiesis and Cognition: The Realization of the Living},
	Doi = {10.1007/978-94-009-8947-4},
	Isbn = {978-90-277-1015-4},
	Isbn-10 = {902-771016-3},
	Isbn-13 = {978-90-277-1016-1},
	eisbn = {978-94-009-8947-4},
	Issn = {0068-0346},
	Pages = {180},
	Publisher = {D. Reidel Publishing Company},
	Series = {Boston Studies in the Philosophy of Science},
	Shorttitle = {Autopoiesis and Cognition},
	Title = {Autopoiesis and Cognition: The Realization of the Living},
	Url = {http://www.springer.com/book/9789027710154},
	Volume = 42,
	Year = 1980} 

 @article{noai-bbsciences3,
    author = {Searle, John R.},
    booktitle = {Minds, Brains, and Programs},
    doi = {10.1017/S0140525X00005756},
    journal = {The Behavioural and Brain Sciences},
    pages = {417--457},
    publisher = {Cambridge University Press},
    title = {Minds, Brains, and Programs},
    volume = 3,
    year = 1980
}