1. Anderson JM, Barrett J and Thorne SW (1981) Proc. Vth Int. Photosynthesis Cong, Balaban Int. Sci. Service, Philadelphia, Vol. III, 301.
2. Kaloskas K, Argyroudi-Akoyunoglou JH and Akoyunoglou G (1981) Ibid. Vol. V, 569.
3. Meister A and Brecht E (1979) Biochem. Physiol. Pflanzen 174, 305.
4. Prezelin B and Boczar B (1981) Proc. Vth Int. Photosynthesis Cong. Balaban Int. Sci. Service, Philadelphia, Vol. III, 417.
5. Timko MP, Triemer RE and Vasconcelos AC (1981) Ibid. Vol. V, 847.