1. Chlorellosis in a Lamb
2. 3 Ettl H, Gärtner G: Syllabus der Boden- Luft- und Flechtenalgen [Syllabus of Algae in Soil, Air and Lichens], pp. 371–373, 465–471. Gustav Fischer Verlag, Stuttgart, Germany, 1995
3. THE COMPARATIVE ULTRASTRUCTURE OF THE ALGAL CHLOROPLAST
4. 5 Hoek van den CH, Jahns HM, Mann DG: Algen [Algae], pp. 229–266. Georg Thieme Verlag, Stuttgart, Germany, 1993