Mayer, A M and 
Bar Nun, N (
1997) Germination of Orobanche: some aspects of metabolism during preconditioning. pp 
633–
639 in 
Ellis, R H, 
Black, M, 
Murdoch, A J, 
Hong, T D (Eds) 
Basic and applied aspects of seed biology Dordrecht, 
Kluwer AcademicGoogle Scholar