@book{Artz, author = {Artz, F. B.}, title = {The mind of the middle ages, New York (Alfred A. Knopf) 1958.}, language = {en} } @book{Arnold, author = {Arnold, M.}, title = {Poetical Works of Matthew Arnold, London (MacMillan and Co.) 1927.}, language = {en} } @book{ArmstrongWakin, author = {Armstrong, R. and Wakin, E.}, title = {You Can Still Change the World, New York (et al.) (Harper \& Row, Publishers) 1978.}, language = {en} } @book{Aristoteles, author = {Aristoteles,}, title = {Ethica nicomachea, London (Oxford University Press) 1962.}, language = {en} } @book{Aristoteles, author = {Aristoteles,}, title = {The Student's Oxford Aristotle, London (Oxford University Press) 1942.}, language = {en} } @book{Aristoteles, author = {Aristoteles,}, title = {On man in the universe, Princeton (D. van Nostrand Company) 1943.}, language = {en} } @book{Aristoteles, author = {Aristoteles,}, title = {The student's Oxford Aristotle. Volume V, London (Oxford University Press) 1942.}, language = {en} } @book{ArietiBemporad, author = {Arieti, Silvano and Bemporad, J.}, title = {Severe and mild depression, New York (Basic Books) 1978.}, language = {en} } @book{Arieti, author = {Arieti, Silvano}, title = {American handbook of psychiatry. Vol. 2, New York (Basic Books) 1959.}, language = {en} } @book{Arieti, author = {Arieti, Silvano}, title = {American handbook of psychiatry. Vol. 2, New York (Basic Books) 1959.}, language = {en} }