@book{13571, author = {Vasilecas, Olegas. and Wojtkowski, Wita. and SpringerLink (Online service)}, title = {Information Systems Development}, publisher = {Springer Science+Business Media, Inc.,}, year = {2005.}, address = {Boston, MA :}, url = {http://dx.doi.org/10.1007/0-387-28809-0} }