 Complete the following phrase:  His second Olympic Games were in 1968. He finished seventh in the 400 metres. In the 4×400 metres relay he finished fourth together with Stanislaw Gredzinski, Jan Balachowski and Jan Werner. With the same team members he finished fourth in the relay at the 1969 European Championships. In the individual distance he finished sixth. At the 1970 European Indoor Championships he won two silver medals; in the individual distance as well as in relay. At the 1971 European Indoor Championships he won gold medals in both these events, the latter together with Waldemar Korycki, Jan Werner and Jan Balachowski. With the same team members he won a silver medal in the relay at the 1971 European Championships and a gold medal at the 