Lüter, Carsten. "The origin of the coelom in Brachiopoda and its phylogenetic significance". Zoomorphology (ingilis). 120 (1). 2000-06-01: 15–28. doi:10.1007/s004359900019. ISSN1432-234X.
Lüter, Carsten. "The origin of the coelom in Brachiopoda and its phylogenetic significance". Zoomorphology (ingilis). 120 (1). 2000-06-01: 15–28. doi:10.1007/s004359900019. ISSN1432-234X.