Authors: AbouHadid Ayman F Raven John A 
              Publish Date: 1993/10/01
              Volume: 72, Issue: 4, Pages: 385-386 
			  
              Abstract
              Ayman F AbouHadid John A Raven Review of The vegetation of Egypt by MA Zahran AJ Willis and Concepts of symbiogenesis A historical and critical study of the research of Russian botanists by LN Khakhina Annals of Botany Volume 72 Issue 4 October 1993 Pages 385–386 https//doiorg/101006/anbo19931122
              
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