000			00338pam a2200145a 44500
082			_a691.3 _bEL86c
100			_aElvery, Robert Henry
245	1		_aCONCRETE PRACTICE
260			_aLondon _bContractors Record _c1958
300			_a214
650			_aConcrete
650			_aConcrete -- Construction
964			_gCIRC
997			_a701 C
999			_c439183 _d439183