Proceedings of the 18th International Diatom Symposium

ISDR_18th_Symposium_BookProceedings of the 18th International Diatom Symposium Międzyzdroje, Poland 2nd-7th September, 2004 Editor: Andrzej Withowski  Available at a discounted price of £22. Please contact Sarah Davies, ISDR secretary. The 18th and 19th symposia volumes can be bought together for £40.