000 00424nam a2200157Ia 4500
008 210210b1977 xxu||||| |||| 00| 0 eng d
082 _a503 MCGR
100 _aMcGRAW-HILL
245 _aEncyclopaedia of science & technology.15 V.V2-bab-cet.
260 _aLondon
_bMcGraw Hill Co.
_c1977
300 _a700
440 _a2
650 _aEncyclopaedia Science and Technology
690 _aPure Sciences
906 _aSG01606
999 _c113140
_d113140