000 00263nam a2200109Ia 4500
008 220201s1970 xx 000 0 eng d
100 _aHMSO
245 0 _aCost benefit aspects of manpower retraining
260 _bLondon: HMSO
_c1970
300 _a42
942 _2ddc
999 _c77735
_d77735