Hayward, P. J. (Peter J.)
Cyclostome bryozoans : keys and notes for the indentification of the species / P.J. Hayward and J.S. Ryland. -- London ; Leiden : E.J. Brill, 1985. -- 147 s. : il. -- (Synopses of the British fauna. New series ; no. 34). -- Latinské názvosloví. -- ISBN : 90-04-07697-2 (brož.).
Ryland, J. S. (John Stanley). Linnean Society of London. Estuarine and Brackish-Water Sciences Association
mechovci. určovací klíče
594.7. (084)