000			00440 a2200133 4500
005			20250609124102.0
020			_a978-0-07-161366-8
082			_aREF 503 McG
245			_aConcise Encyclopedia of Science and Technology : Volume 1
250			_a6th Ed.
260			_aNew Delhi, _bMcgraw- Hill Irwin, _c2002.
300			_aix, 1133p.:Ill.; Ill.; figures , map & pictures. _bBibliographical references & Index _c28cm.
942			_2ddc _cBKS
999			_c3513 _d3513