| ISBN | 9780959027723 |
| Onderwerp | Scuba Diving - Equipment And Supplies; Scuba Diving - History |
| Uitgever | Des Walters |
| Publicatie Datum | februari 2009 |
| Medium | Slappe kaft (285 x 195 mm) |
| The "Porpoise" - Australian Diving Technology The World Copied - Desmond Walters; Williams Des; Brown Melven; Gregory Tony (2009) |
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