1. Típos adaptivos de morfología en algunas especiesde ortópteros ibericos;Aguirre;Graellsia,1987
2. Hoyer's solution as a rapid permanent mounting medium for bryophytes;Anderson;Bryologist,1954
3. Die Heuschrecken der Schweiz;Baur,2006
4. Secondary metabolites from bryophytes in vitro cultures;Becker;J. Hattori Bot. Lab.,1994
5. Plant chemistry and acridoid feeding behaviour;Bernays,1978