TY - JOUR A1 - Ahrens, J. A1 - Kiel, B. T1 - Helicity dependence of the γ p-> N π channels and multipole analysis in the Δ region T2 - European Physical Journal Y1 - 2004 UR - https://www.hb.fh-muenster.de/opus4/frontdoor/index/index/docId/5212 IS - A 21 SP - 323 EP - 333 ER -