• Pipes of Pan at Jajouka. Point Music, 1, 6–10, 13. "wave books - Bücher – Filme – Musik". Archived from the original on 3 June 2013. Retrieved 15 June 2019...
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    238 Hans-Hass-Institut für Submarine Forschung und Tauchtechnik. "Die Filme von Prof. Dr. Hans Hass" (PDF). Archived from the original (PDF) on 2017-01-18...
    21 KB (2,642 words) - 15:39, 3 April 2024
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    Ritrovato. Hans-Hass-Institut für Submarine Forschung und Tauchtechnik. "Die Filme von Prof. Dr. Hans Hass" (PDF). Archived from the original (PDF) on 2017-01-18...
    17 KB (2,071 words) - 08:48, 25 April 2024