Larsen DK, Wagner I, Gustavson K, Forbes VE, Lund T. Long-term effect of Sea-Nine on natural coastal phytoplankton communities assessed by pollution induced community tolerance. Aquat Toxicol. 2003 Jan 10;62(1):35–44. doi: 10.1016/s0166-445x(02)00065-6. PMID: 12413792.