Water for freshwater fish culture
By: Text A.G. Coche and H. Van der Wal ; illustrations, T. Laughlin.
Contributors: Wal, H. van der.; Food and Agriculture Organization.
Series: FAO training series : simple methods for aquaculture -- 4; FAO training series -- 4.
Publisher: Foodand Agriculture Organization
Published: 1981
Place of publication: Rome
Language: eng