000
00273nam a2200109Ia 4500
008
160710s1937 xx 000 0 und d
100
_a
MC GRAW HILL CO.
245
_a
RAYON TECHNOLOGY OF SELECTING EMPLOYEES
260
_b
MC GRAW HILL
_c
1937
300
_a
316
942
_2
ddc
_c
B
999
_c
8756
_d
8756