000 00490 a2200253 4500
001 125203
020 _a0
041 _aeng
080 _a5/6(03) McG
245 _aMcGraw-Hill encyclopedia of science and technology; readers'guide. (R)
250 _a
260 _a
260 _bMcGraw-Hill, New York,
260 _c1971
300 _ap.47, 28cm
300 _c
490 _a
100 _aParamananda
700 _a
650 _a
650 _a
942 _cRB
942 _2UDC
999 _c179881
_d179881