00400nam a2200133Ia 450000100060000000300050000600500170001100800410002810000330006924500690010226000500017130000240022165000210024521124BIBL20180724022651.0911203|1941||||inua   |||||||00010|eng|d10aZipf, George Kingsley2Local10aNational unity and disunitybthe nation as a bio-social organism0 aBloomington, Ind.bThe Principia Pressc1941.  axix, 408 p. diagrs. 0aSociology2Local