Slack, A. V. <br/><br/>
Defence against famine : the role of the fertilizer industry 
by A V Slack 
 - New York  Doubleday and company  1970 
 - 232p. ;  18cm. 
 - Chemistry in action series .
<br/><br/><label>Dewey Class. No.: </label>338.4766862  / SLA