References
- Fay, P., Stewart, W. D. P., Walsby, A. E., & Fogg, G. E. (1968): The heterocyst — the site of nitrogen fixation in blue-green algae? — Nature, Lond. 220, 810–812.
- Walsby, A. E. (in press): The permeability of blue-green algal gas-vacuole membranes to gas. — Proc. Roy. Soc. B.