Liong, P. C. On the toxicity of ammonia to cockle / by P. C. Liong, K.Rajendran - 7 pages : illustrations ; 24 cm. - Buletin perikanan; bil.46 Fisheries bulletin; no.46 . - Buletin perikanan; bil.46 Fisheries bulletin; no.46 . Subjects--Topical Terms: Ammonia--ToxicologyMarine toxines