Beat Boller, Peter Tanner, Simone Günter, Franz X. Schubiger
Mattenklee landraces, a valuable source of genetic variation for red clover breeding. Proceedings.

Beat Boller, Peter Tanner, Simone Günter, Franz X. Schubiger
Description and evaluation of a collection of former Swiss red clover landraces.
Czech Journal of Genetics and Plant Breeding, 39, 2003, 31-37.

Roland Kölliker, Beat Boller, Yvonne Häfele, Simone Günter, Doris Herrmann, Franco Widmer
Genetische Diversität im Schweizer Mattenklee.
Agrarforschung, 10, (9), 2003, 361-368.