Johnston,Daniel <br/><br/>
International Exploration Economics,Risk,And Contract Analysis 
Johnston,Daniel 
 - USA  Pennwell  2003 
 - 327  Illustration,index,tables & graph 
<br/><br/><label>ISBN: </label>9780878148875 
<br/><br/><label>Dewey Class. No.: </label>658.1  / J642