Can we find an additional source or two?
I couldn't.
Here is the original article from Maariv.http://www.nrg.co.il/online/1/ART2/090/174.html?hp=0&loc=101&tmp=9022#after_maavaron
It’s in Hebrew unfortunately.
Native Hebrew speakers confirm the basic accuracy of the translation here.
http://volokh.com/2010/04/08/u-s-denying-entry-visas-to-people-who-work-on-israels-dimona-nuclear-reactor/#comments
I couldn't.