Stata reference manual :  release 5. 
 Stata 5.  Statistics. Data management. Graphics.  Data management. Graphics.  Release 5. Reference A-F.  Release 5. Reference G-O. 

 - College Station, Tex. :  Stata Press,  1985-1997. 
 - 3 v. :  ill. ;  24 cm. 
<br/><br/>
<br/><br/>Includes bibliographical references and index. 
<br/><br/>v.1. A-F--v.2. G-O--v.3. P-Z. 
<br/><br/><label>ISBN: </label>1881228274 (v.1). 1881228282 (v.2). 1881228290 (v.3). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics--Data processing.