000			00590nam a2200157 a 4500
005			20220228110457.0
035			_aF8901000701116
084			_aCCA 42.491 1974
100			_aPomfroy, C.D.
245			_aConcrete products for the replacement of timber for chock c-onstruction in coal mining : the development of ductile con-crete assemblies / C.D. Pomeroy and J.H. Brown.
260			_aLondon : Cement and Concrete Association
300			_a19 p.
440			_aTechnical report ; 42.491 / Cement and Concrete Association
690			_aConcreto - Productos.
700			_aBrown, J.H., coaut.
999			_c53252 _d53252