00357nam a2200133Ia 4500008004100000082001600041100002200057245002100079260005200100300000800152650001800160650002400178653002100202170901s1977    xx            000 0 und d  a591.6bS66E  aSrivastava, P. D. 0aEconomic Zoology  aNew DelhibCommercial Publications Bureauc1977  a300  aPure Sciences  aZoological sciences  aEconomic zoology