H. - J.  Urban, ?Reproductive strategies in tropical bivalves (Pteria colymbus, Pinctada imbricata and Pinna carnea): temporal coupling of gonad production and spat abundance related to environmental variability?, Journal of Shellfish Research, vol. 20, pp. 1127-1134, 2001.

H. - J.  Urban, ?Reproductive strategies in tropical bivalves (Pteria colymbus, Pinctada imbricata and Pinna carnea): temporal coupling of gonad production and spat abundance related to environmental variability?, Journal of Shellfish Research, vol. 20, pp. 1127-1134, 2001.