000			00367nam a22001337a 4500
020			_a072043100
082			_a339.2RIT.
100			_aRitzen, J.M.M.
245			_aEducation, economic growth and income.
260			_aNew York. _bNorth-Holland Publishing Company. _c1977.
300			_a271p. _b23cm
500			_aIncludes appendix, bibliography and index.
942			_cBK
999			_c13892 _d13892