Sinclair John <br/><br/>
Coal mining economics   Organization and management    

 - 2nd 
 - London  Pitman UK           1967 
 - vi, 392p. Bib at the end of each chapter ,Appendix p. 314-76  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal  Industry
<br/><br/><label>Dewey Class. No.: </label>X9(F551):8.5.N6, K7