Effects of petroleum products on bull kelp (Nereocystis luetkeana) - Antrim, L. D.; Thom, R. M.; Gardiner, W. W.; Cullinan, V. I.; Shreffler, D. K.; Bienert, R. W. (Springer, 1995)
http://dx.doi.org/10.1007/BF00349274
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