TY - JOUR U1 - Zeitschriftenartikel, nicht wissenschaftlich A1 - Frei, Bruno A1 - Oppenländer, Thomas T1 - EPA European Photochemistry Association: Summer School on Photochemistry, Spiez, Switzerland, July 30 - August 5, 1989 JF - Swiss Pharma Y1 - 1989 SN - 0251-1673 SS - 0251-1673 VL - 11 IS - 12 SP - 7 EP - 9 ER -