Orlov, Y. A. K. a. Y. I. Caustics, catastrophes and wave fields. Springer.
Chicago Style aipamenaOrlov, Yu. A. Kravtsov and Yu. I. Caustics, Catastrophes and Wave Fields. Springer.
MLA aipamenaOrlov, Yu. A. Kravtsov and Yu. I. Caustics, Catastrophes and Wave Fields. Springer.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.