TY - GEN AU - Khanna S. S. AU - Singh H.R. TI - A Textbook of Fish Biology and Fisheries SN - 8185375755 U1 - 597 PY - 2006/// CY - Delhi-110 006 PB - Narendra Publishing House KW - Ostracoderms and Placoderms, Euphanerida, Heterostraci, Anaspida, Coelolepida, fishes, Coccostei, Arthrodira, Antiarchi, Palaeospondyli ER -