000 00404nam a2200169 4500
008 230421b xxu||||| |||| 00| 0 eng d
020 _a080390794
040 _aPGIML
041 _aeng.
060 _aWA 20.5
_bG42
_2
100 _95730
_aGlenn , N.D.
245 _aCohort Analysis
260 _aLondon :
_bSAGE Publications
_c1977.
300 _a72p.
942 _2lcc
_cBK
999 _c5440
_d5440