That there was close colaberation between South Africa and Israel is undeniable. Still, the South African weapons program was home-grown and it's weapon design owed nothing to Israel's program. I will believe the report only after I have had a chance to read the book and check it's footnotes and sources and found them credible. Until such happens, I can only view this report with intense skepticism.
Israeli PM to Palestinian President Abbas: We must fight terror together (Haaretz)
from the article: Israel denies offering nuclear weapons to Apartheid South Africa