@book{4465, author = {Ανδριόπουλος, Δημήτριος Ζ. and Ζωγραφίδης, Γιώργος}, title = {Αιτιότητα :}, publisher = {Παπαδήμας}, year = {2003}, address = {Αθήνα}, edition = {3η έκδ.} }