000 00333n a2200157 a 4500
000 B B
001 001987
005 20220201163025.0
082 _a331
_bM87
100 _aILO
245 _aMan in his working environment
260 _aGeneva
_bILO
_c1987
300 _a142p.
690 _aLabour economics
908 _aG
999 _c1985
_d1985