@book{319077, author = {SAS Institute.}, title = {Base SAS 9.1.3 procedures guide}, publisher = {SAS Pub.,}, year = {2006.}, address = {Cary, NC :}, edition = {2nd ed.}, url = {http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=151879} }