00277nam a2200097Ia 450000500170000000800410001708200140005810000200007224500430009226000440013520260224040819.0260224s9999||||xx |||||||||||||| ||und||  a639.8 PIL  aPillay, T.V.R.  0aAquaculture : principles and practices  aNew York: Oxford University Pressc1990