Bandara, Samuel <br/><br/>
Dormant exchanges supported by a system of tokens  a suggestion 

 - p.316-322  26 cm 
<br/><br/> Vol. 31, no. 4 (1981) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library cooperation
<br/><br/><label>Dewey Class. No.: </label>Pam 025.29  / Ste