000 00410pam a2200157a 44500
008 230515b1989 xxu||||| |||| 00| 0 eng d
020 _aNULL
041 _aENGLISH
082 _aN.D.
100 _aMarh H Dartford Penny Smith Donald Clarkhe
245 _aIllustrated Encyclopaedia Of Science Of Inverntion Val- l
250 _a0
260 _aNULL
_bH. S Stuttman
_c1989
300 _a128
650 _aNULL
999 _c574096
_d574096