Steensberg, Axel <br/><br/>
Hard grains, irrigation, numerals and script in the rise of civilizations 

 - Copenhagen  Royal Danish Academy  1989 
 - 147p. 
 - Royal Danish Aca. Of Sc. And Letters Publication No. 6 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Y171:10J
<br/><br/><label>Dewey Class. No.: </label>Y171:10J  / L9