1. Huszar, C. K. 1969. A generalized stepwise multiple regression analysis, (mineographed notes), University Computer Center, University of Arizona
2. Pub. Series A,1967
3. Pub. Series A;Katsnelson J.,1968
4. Mane, U. and Rosenan, N. 1957. Rainfall, Section 2/IV of Israel Atlas, Pub. by The Bialik Inst., Tel Aviv