@book{307916, author = {SAS Institute.}, title = {SAS macro language}, publisher = {SAS Institute,}, year = {1999.}, address = {Cary, NC :}, note = {"57240."}, url = {http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=74264} }