00991nam0-2200337---450-99000943851040332120111004180926.00902727028000943851FED01000943851(Aleph)000943851FED0100094385120110930d1971----km-y0itay50------baengGBaf------001yyPoultry disease and world economyedited by R.F. Gordon and B.M. FreemanEdinburghBritish Poultry Science1971VII, 155 p., 4 tav.ill.26 cmBritish egg marketing board symposium7PollameMalattiePollameEconomiaGordon,Robert FraserFreeman,Barry MetcalfeITUNINARICAUNIMARCBK99000943851040332144 E 21s.i.DMVAPDMVAPPoultry disease and world economy761088UNINA