korta, George b <br/><br/>
Theb gis book :  A practitic hand book / 
George b korta, 
 - 1st ed. 
 - New Delhi :  onword press.,  1992 
 - 165p. :  23 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>hand book
<br/><br/><label>Dewey Class. No.: </label>910  / KOG