Margaretha P., Lehn J. M., . (1982). Preparative organic photochemistry. Berlin: Springer-Verlag.
Margaretha P, Lehn J M, . 1982. Preparative organic photochemistry. Berlin: Springer-Verlag.
Margaretha P, Lehn J M, . Preparative organic photochemistry. Berlin: Springer-Verlag. 1982.