1. The conifers Frenlopsis and Manica in the Cretaceous of Portugal;Alvin;Palaeontology,1977
2. A Frenelopsis with opposite decussate leaves from the Lower Cretaceous of Portugal;Alvin;Palaeontology,1978
3. A Classopollis-contuming male cone associated with P seudofrenelopsis;Alvin;Palaeontology,1978
4. Der Hangendflötzung im Schlan-Rakonitzer Steinkohlenbecken;Feistmantel;Archiv für die Naturwissenschaftliche Landesdurchforschung von Bömen,1881
5. HlušTik , A. Frenelopsid plants (Pinopsida) from the Cretaceous of Czechoslovakia Charles University Press