Meehan, Diane. <br/><br/>
An introduction to fourth generation languages / 
Diane Meehan. 
 - Cheltenham :  Thornes,  1990. 
 - x, 157 p. ;  24 cm. 
 - Computer studies series. .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0748704000 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programming languages (Electronic computers).