Supply and demand responses in the U.S. turkey industry / John W. Goodwin, Craig D. Brown. -- Fayetteville : Arkansas Agric. Exp. Station, 1996. -- 36 s. : 27 obr., 9 tab., lit. 9. -- (Report Series 333). -- ISSN 0097-5370. chov moriek * morky v USA * obchod s morkami