@book{30720,
	author = {Asquith, George. and Krygowski,Daniel.},
	title = {Basic well log analysis /},
	publisher = {American Association of Petroleum Geologists ,},
	year = {c2004 .},
	series = {AAPG methods in exploration series.},
	address = {Tulsa, Okla :},
	edition = {2nd ed. }
}
