Sequential trends in farm-level production, price, and value - United States Turkey industry, 1950 to 1988 / G. Chris Lance, Joseph C. Purcell. -- Athens : University of Georgia, 1990. -- 17 s. : 8 tab. -- (Research Report 590). -- ISSN 0072-128X. morky * chov moriek * ceny výrobné * náklady