@mastersthesis{TUW-105245, author = {Wittmann, Robert}, title = {{A} {W}eb-{B}ased {T}raining {E}nvironment for {C}{O}{R}{B}{A}-{B}ased {D}atabase {A}pplications}, school = {{I}nstitut f{\"u}r {C}omputertechnik}, year = {2002} }