TY - BOOK AU - W. Ahne TI - Fish diseases : Third copraq- session SN - 3-540-10406-2 U1 - 639.96 PY - 1980/// CY - New york PB - Springing verlag N1 - W. Ahne: Fish diseases : Third copraq- session. New york. Springing verlag, 1980. 3-540-10406-2--(639.96AHN) ER -