Nella Jeena Jacob <br/><br/>
Axiomatic characterization of median function:  the case of block graphs/ 
Nella Jeena Jacob 
 - Trivandrum:  Department of Futures Studies, University of Kerala,   2015. 
 - 88 p. 
<br/><br/><label>Dewey Class. No.: </label>MPhil189  / NEL