Adams, Arthur E. Men versus systems : agriculture in the USSR, Poland, and Czechoslovakia / by Arthur E. Adams and Jan S. Adams. - New York : Free Press, 1971. - viii, 327 p. : ill. ; 22 cm. Bibliography : p. 301-310. Subjects--Topical Terms: Agriculture--Economic aspects--Soviet Union.Agriculture--Economic aspects--Poland.Agriculture--Economic aspects--Czechoslovakia.