RT Book T1 Ethik der Manipulation A1 Häring, Bernhard 1912-1998 LA German PP Graz Wien Köln PB Styria YR 1977 UL https://ixtheo.de/Record/019871473 SN 3222109915 K1 Gentechnologie K1 Ethische Argumentation K1 gene technology K1 ethical argumentation