Produce a long descriptive sentence that uses all these words: 1977 MIXED_DOUBLES Nigel Tier Karen Puttick; 1977 MENS_DOUBLES Jesper Toftlund Niels Christensen
The duo of Jesper Toftlund and Niels Christensen won the men's doubles, while Nigel Tier and Karen Puttick won mixed doubles at the 1977 European Junior Badminton Championships.