X PARTICIPANTS 



S. Yathom, Department of Entomology, Agricultural Research 



Station, Rehovot, Israel. 

 J. YosHPE, Laboratory of Microbiological Chemistry, Hebrew 



University — Hadassah Medical School, Jerusalem, Israel. 

 R. Zelikson (Bentovim) Laboratory of Microbiological 



Chemistry, Hebrew University — Hadassah Medical School, 



Jerusalem, Israel. 

 I. ZuKERMAN, Section for Biotechnology, Israel Institute for 



Biological Research, Ness-Ziona, Israel. 

 J. Zydon, Israel Institute for Biological Research, Ness-Ziona, 



Israel. 



