Picard, L. (1968). On the structure of the Rhinegraben: With comparative notes on Levantgräben features. [Israel Academy of Sciences and Humanities].

Picard, Leo. On the Structure of the Rhinegraben: With Comparative Notes on Levantgräben Features. Jerusalem: [Israel Academy of Sciences and Humanities], 1968.

Picard, Leo. On the Structure of the Rhinegraben: With Comparative Notes on Levantgräben Features. [Israel Academy of Sciences and Humanities], 1968.