1. Diplotaxis D.C.-;Akeroyd,1993
2. CO2 compensation concentration and its O2 dependence in Moricandia spinosa and Moricandia moricandioides (Cruciferae)
3. Photosynthetic properties in the genus Moricandia.-;Apel,1985
4. Evolution of the C4 photosynthetic pathway: a physiologists' point of view;Apel;Photosynthetica,1994
5. Carbon metabolism type of Diplotaxis tenuifolia (L.) DC. (Brassicaceae);Apel;Photosynthetica,1996