$a California Academy of Natural Sciences powst. w 1853 r. W 1868 r. zmiana nazwy na: California Academy of Sciences.
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$a Kp. "Diatom ecology and taxonomy: a marriage of necessity" : International Workshop on Diatoms / ed. by A. Witkowski & G. Daniszewska. - [S. l., ca 2003]. $b Organizator