On the occurrence of spore or sporont appendages in the Microsporidia and their taxonomie significance. Corradetti, A.[Ed]. Proceedings of the First International Congress of Parasitology (Roma, 21-26 September, 1964)., Proceedings of the First International Congress of Parasitology (Roma, 21-26 September, 1964). Pergamon Press, Milan, 1966., 1966: pp. 602-603. Chapter pagination: pp. 602-603. lcdixl [Zoological Record Volume 103]