Cita APA (7a ed.)
Waves, Diffusion and Variational Principles: Preparatiory Material (3a edición.). Open University.
Cita estilo Chicago (17a ed.)
Waves, Diffusion and Variational Principles: Preparatiory Material. 3a edición. Milton Keynes, Inglaterra: Open University.
Cita MLA (9a ed.)
Waves, Diffusion and Variational Principles: Preparatiory Material. 3a edición. Open University.
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