00423cam a2200169 a 4500 1555443761 NRC 001 SAS 1990 A007 Or. SAS/STAT user's guide : version 6. 4th ed. Cary, NC : SAS Institute, c1990. 2 v. : ill. ; 28 cm. Mathematical statistics Statistics SAS Institute. EK 12481 12481 0 0 0 001_000000000000000_SAS_1990_A007_OR 0 62238 LBA LBA A007 2017-08-14 001 SAS 1990 A007 Or. A17039 2017-08-14 2017-08-14 EK