Stiles, Daniel. <br/><br/>
Lakes of grass :  regenerating Bourgou in the Inner Delta of the Niger River / 
text prepared by Daniel Stiles in cooperation with the Technical support Division of UNSO. 
 - New York :  UNSO,  1990. 
 - ii, 15 p. :  ill. ;  28 cm. 
<br/><br/> Open access. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Echinochloa.