00318nam a2200109Ia 4500008004100000082002000041100002100061245005200082260003500134300001300169700002600182260424b        |||||||| |||| 00| 0 eng d  a331.12bD652.IL  aDoeringer, P. B.  aInternal labor markets and manpower analysisb/  aLexington:bD. C. Heath,c1971  ax, 214p.  aPiore, M. J.eauthor.