000 00289nam a2200121Ia 4500
008 160710s1969 xx 000 0 und d
082 _aAME
100 _aASHBURN,A
245 _aAMERICAN MECHANIST
260 _bMcGRAW-HILL PUBLISHING CORPORATION
_c1969
300 _a174
942 _2ddc
_cB
999 _c33760
_d33760