000			00684cam a2200157 i 4500
020			_a0309030625
082	0	0	_a380.5 s _a625.84 _bNAT _cDonated
110	2		_aNational Research Council (U.S.).
245	1	0	_aSealing joints and cracks, thin resurfacing, and locating voids under concrete slabs / _cTransportation Board, Commission on Sociotechnical Systems, National Research Council.
260			_aWashington, D.C. : _bNational Academy of Sciences, _cc1980.
300			_aiv, 28 p. : _bill. ; _c28 cm.
500			_aReports prepared for the 59th annual meeting of the Transportation Research Board.
650		0	_aPavements, Concrete _xMaintenance and repair.
650		0	_aMCE
942			_cBK
999			_c7990 _d7990