by KLUDSSUWEIT, HORST. NAT, HARTBRICH, HANS-JOACHIM-LANDW, JASCHE, KLAUS. NAT, WALTER, RUDOLF, OERTEL, MANFRED. DR, THIEME, HERMANN. DR, GUENTHER, KONRAD-LANDW, GEYER, BERND. DR, LANG, SIEGHARD-LANDW. AGR, HOH, GEORG-LANDW
Year of Publication 01.06.1994