@article{BeckerFriedrich1987, author = {Becker-Friedrich, Rolf}, title = {Computer f{\"u}r Benutzer - Erfahrungen aus D{\"u}sseldorf}, series = {BuB - Forum Bibliothek und Information}, journal = {BuB - Forum Bibliothek und Information}, pages = {671 -- 677}, year = {1987}, language = {de} } @article{BeckerFriedrich1995, author = {Becker-Friedrich, Rolf}, title = {D{\"u}sseldorf: CD-Rom als Medium f{\"u}r die Ausleihe}, series = {BuB - Forum Bibliothek und Information}, journal = {BuB - Forum Bibliothek und Information}, pages = {470 -- 473}, year = {1995}, language = {de} } @article{BeckerFriedrich1999, author = {Becker-Friedrich, Rolf}, title = {Sheriff im PC}, series = {BuB - Forum Bibliothek und Information}, journal = {BuB - Forum Bibliothek und Information}, pages = {446 -- 446}, year = {1999}, language = {de} }