@book{187720,
	author = {American Petroleum Institute, API},
	title = {Measuring the long-term conductivity of proppants},
	publisher = {American Petroleum Institute, API},
	year = {2008},
	address = {Washington},
	edition = {1st. ed.},
	note = {ISO 13503-5 (identical), Part5: procedures for measuring the long-term conductivity of proppants}
}