Entomophily in the dioecious gymnosperm Ephedra aphylla Forsk. (= E. alte C. A. Mey) with some notes on E. campylopoda C. A. Mey - Bino, R. J.; Dafnî, Āmôṣ; Meeuse, Adrianus Dirk Jakob (1984)
Aus: Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen : Ser. C ; 87,1