000 00355nam a2200121Ia 4500
100 _aMcGraw-Hill Encyclopedia Of Science And Technology
942 _cBK
245 _aMcGraw-Hill yearbook of science and technology 5th Ed. Aar- Azu Vol No 6
260 _aNew York
_bMcGraw Hill Co.
_c1982
082 _aR503
_bMag
300 _a(8), 814
546 _aEnglish
999 _c342622
_d342622
041 _aeng