Hammerschlag, Roel <br/><br/>
Ethanol's energy return on investment: a survey of the literature 1990-present.  [electronic resource] 

 -  Environmental science & technology  Mar 2006 
 - 1744-50 p.  digital 
<br/><br/> Publication Type: Historical Article; Journal Article; Research Support, Non-U.S. Gov't; Review 
<br/><br/><label>ISSN: </label>0013-936X 
<br/><br/><label>Standard No.: </label>10.1021/es052024h  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biotechnology<br/>Cellulose--economics<br/>Conservation of Natural Resources--economics<br/>Energy-Generating Resources--economics<br/>Ethanol--economics<br/>Fermentation<br/>History, 20th Century<br/>History, 21st Century<br/>Zea mays--economics