1. The morphology and physiology of turions in Najas marina L. in israel;Agami;Aquat. Bot.,1986
2. Zur Steuerung der Turionenausbildung bei Spirodela polyrrhiza (L.) Schleiden durch Licht;Augsten;Wiss. Ztschr. Ernst-Moritz-Arndt-Univ. Greifswald Math.-Naturwiss. Reihe,1983
3. Physiology and Biochemistry of Seeds in Relation to Germination Viability, Dormancy, and Environmental Control Vol. 2;Bewley,1982
4. Researches on the physiology of formation and germination of turions in Spirodela polyrrhiza (L.) Schleiden;Czopek;Acta Biol. Cracoviensia,1959
5. The oligodynamic action of light on the germination of turions of Spirodela polyrrhiza (L.) Schleiden;Czopek;Acta Soc. Bot. Pol.,1962