Semkiwa, Pascal Z. <br/><br/>
Depositional environment and coal petrography of permian coal deposition in karoo  basins of basins of Sw - Tanzania 

 - Cologne   : Geological Institute,  1992 
 - 184p.   : ill.   ; 21cm. 
<br/><br/>Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal deposits<br/>Petrography<br/>Tanzania
<br/><br/><label>LC Class. No.: </label>EAF TN810.T34S45