000 00396 a2200157 4500
003 OSt
008 090406t xxu||||| |||| 00| 0 eng d
082 _a62.088.4
_bBET
100 _aBetty, John G
_96101
245 _aEngineering contracts
300 _avii,285p.
653 _aEngineering contracts
_a62.088.4
942 _2ddc
_cBK
260 _aNew Delhi
_bMcGraw Hill
_c1993
020 _a0077077792
999 _c334643
_d334643