Media type: E-Article Title: �ber zweiparametrige ebene Bewegungsvorg�nge Contributor: Stachel, Hellmuth imprint: Springer Science and Business Media LLC, 1979 Published in: Monatshefte f�r Mathematik Language: German DOI: 10.1007/bf01305856 ISSN: 0026-9255; 1436-5081 Keywords: General Mathematics Origination: Footnote: Access State: Open Access