Methods of testing cement : part 1 : determination of strength - London : British Standard, 2005 - 34 p. : ill. ; 30 cm. - British standard ; BS EN 196-1:2005 . - British standard ; BS EN 196-1:2005 . ISBN: 0580456706 RM 898.99 Subjects--Topical Terms: Cement--Testing--StandardsConcrete--Testing--Standards