Mahler, Paul. <br/><br/>
An Informix-4GL tutorial / 
Paul Mahler. 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1990. 
 - 282 p. ;  23 cm. 
<br/><br/><label>ISBN: </label>0134641736 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data base management.<br/>INFORMIX--4GL (Computer program).