@book{12909,
	title = {Standard test method for compressive strength of hydraulic cement mortars (using 2-in. or [50-mm] cube specimens) :},
	publisher = {ASTM International ,},
	year = {2005},
	address = {West Conshohocken, PA :},
	note = {This test method is under the jurusdiction of ASTM Committee C01 on Cement and is the responsibility of Subcommittee C01.27 on Strength}
}