000 00256nam a22001217a 4500
999 _c6610
_d6610
003 OSt
005 20210321194633.0
008 210321b ||||| |||| 00| 0 eng d
100 _aPAUL H. BLACK
245 _aMACHINE DESIGN
260 _bTMH
942 _2ddc
_cGE