000 00302nam a22001097a 4500
008 130506b xxu||||| |||| 00| 0 eng d
050 _aHF5382
_b.H67 1957
100 _aHOPPOCK ROBERT
245 _aOCCUPATIONAL INFORMATION
300 _a598p.
_c22cm
942 _2lcc
_cBK
_hHF5382.H67 1957
999 _c89562
_d89562