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639.2
HER     Herwig, Nelson

               Handbook of drugs and chemicals used in the treatment of fish diseases: a manual of fish pharmacology and materia medica / Nelson Herwig; foreworded by Louis Garibaldi and R. E. Wolke . - USA : Charles C Thomas,c1979 . - xv,272p.; fig.

               Includes bibliography & index

               ISBN: 039803852X