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On the taxonomy and ultra-structure of the fossil diatom Gomphoneis cantalica
Vol 7, Iss 1, Page 1, Date 1986
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Observations on Amphora species (Bacillariophyceae) in the British Museum (Natural History). IV. Some species from the subgenus Diplamphora Cleve
Vol 7, Iss 1, Page 9, Date 1986
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Physiological features of six micro-algae to be used as indicators of seawater quality
Vol 7, Iss 1, Page 23, Date 1986
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Recommandations aux auteurs
Vol 7, Iss 1, Page 85, Date 1986