Rapala, J., Sivonen, K., Luukkainen, R. & Niemelä, S. I. (1993). Anatoxin-a concentration in Anabaena and Aphanizomenon under different environmental conditions and comparison of growth by toxic and non-toxic Anabaena-strains — a laboratory study. Journal of Applied Phycology. 5: 581-591.
Rapala, J., Sivonen, K., Luukkainen, R. & Niemelä, S. I.
1993
Anatoxin-a concentration in <i>Anabaena</i> and <i>Aphanizomenon</i> under different environmental conditions and comparison of growth by toxic and non-toxic <i>Anabaena</i>-strains — a laboratory study