@book{44625,
	author = {Erlin, Bernard and American Society for Testing and Materials. and Symposium on Petrography Applied to Concrete and Concrete Aggregates},
	title = {Petrography applied to concrete and concrete aggregates /},
	publisher = {ASTM,},
	year = {c1990},
	series = {STP ;},
	address = {Philadelphia, PA :}
}