Shepherd, VA; Beilby, MJ; Bisson, MA (June 2004). "When is a cell not a cell? A theory relating coenocytic structure to the unusual electrophysiology of Ventricaria ventricosa (Valonia ventricosa)" (PDF). Protoplasma. 223 (2–4). doi:10.1007/s00709-003-0032-4. ISSN 0033-183X. PMID 15221513. S2CID 13373143.