000 00446nam a22001577a 4500
001 12031
003 OCLRC
005 20260730115459.0
008 240201t xxu||||| |||| 00| 0 eng d
040 _aOCLRC
082 _aGR 609 l662 1988
245 _aInventors and discoveries:
_bchanging world/
260 _aWashington, D.C.:
_bThe National Geographic society,
_c1988.
300 _a320 p.:
_bcol. ill.;
_c28 cm.
942 _cBOOK
_jGR 609 l662 1988
999 _c12031
_d12031