Or comes of age:  a review of the operational research branch of the national coal board 1948-1969/ 
edited by Rolfe c Tomlinson 
 - London:  Tavistock ,  1971 
 - xii, 217 p.;  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>422732702  $ 58.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal trade--Management<br/>Coal--Marketting<br/>Production management
<br/><br/><label>Dewey Class. No.: </label>658.96262