31. But Kupfer said he was " surprised to learn that the alert was put on Medlars ." 32. One reason companies hesitate is that some sea compounds are too complex for laboratories to produce, Kupfer explained. 33. Kupfer said he was surprised that a conclusive result could be found after only six months of follow-up.34. Together with Andreas Kupfer and Ludwig Goldbrunner he formed one of the best halves trios of the late-1930s. 35. Kupfer makes explicit the aesthetic ground of violence in society and emphasizes destruction as an aesthetic process producing vivid sensations.36. Kupfer said that when issuing an alert, it is preferable to release a full scientific report instead of a summary.37. Kupfer co-wrote the libretto with composer Krzysztof Penderecki of Penderecki's opera " The Black Mask ".38. It lies on the side of a partly fortified hill overlooking the Kocher valley where the Kupfer river flows into the Kocher. 39. In 1984 he sang the title role in Georg Frideric Handel s " Giustino ", staged by Harry Kupfer . 40. Sepp Herberger compared Mai's playing style to that of 1930s player Andreas Kupfer but also appreciated his solidity and straightness.
