@article{BeegerBricksBroscheitetal.1996, author = {Beeger, Helmut and Bricks, Wolfgang and Broscheit, Frank and B{\"u}tow, Heike and B{\"u}tow, Martin and Englert, Wolfgang and Gehrke, Albrecht and Hallermann, Sigrun and Jahn, Gert and Kirsch, H. and Klohn, Werner and Markert, Wolfgang and Meißgeier, J{\"u}rgen and M{\"u}lders, Wolfgang and Nicklaus, W. and Reinhardt, Karl Heinz and Robel, B. and Schmidtke, Kurt-Dietmar and Werner-Tokarski, D.}, title = {Seydlitz Erdkunde 3 : Ausgabe Saarland}, publisher = {Schroedel}, address = {Hannover}, pages = {160 S.}, year = {1996}, language = {de} } @book{BalzerBeegerHallermannetal.2001, author = {Balzer, Werner and Beeger, Helmut and Hallermann, Sigrun and Kirsch, H. and Nicklaus, W. and Robel, B. and Werner-Tokarski, D. and Herzig, Reinhard}, title = {Seydlitz Geographie 2 : Gymnasium Rheinland-Pfalz, Saarland}, publisher = {Schroedel}, address = {Hannover}, isbn = {3-507-52606-9}, pages = {224 S.}, year = {2001}, language = {de} } @book{BalzerBeegerHallermannetal.2002, author = {Balzer, Werner and Beeger, Helmut and Hallermann, Sigrun and Kirsch, H. and Nicklaus, W. and Robel, B. and Werner-Tokarski, D. and Herzig, Reinhard}, title = {Seydlitz Geographie 3 : Gymnasium Rheinland-Pfalz}, publisher = {Schroedel}, address = {Hannover}, isbn = {3-507-52607-7}, pages = {176 S.}, year = {2002}, language = {de} }