Van Der Tak, Herman G. <br/><br/>
The economic choice between hydroelectric and thermal power development, with a note on joint costs in multi-purpose projects / 
Herman G. Van Der Tak 
 - Washington:      IBRD,  1968 
 - x, 70p. :  ill. ;  22 cm. 
 - World Bank staff occassional papers .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Power and energy<br/>Energy
<br/><br/><label>Dewey Class. No.: </label>333.93  / IBRD