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A textbook may sometimes gain the unusual trait of longevity beyond all other books — it can be revised
and remain a primary source of information for generations of students.
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The most useful snippets from our authors, all in one place. DEPTH discusses topics of diving, equipment and environment, physics and physiology, technique and technology, and hyperbarics.
A textbook may sometimes gain the unusual trait of longevity beyond all other books — it can be revised
and remain a primary source of information for generations of students.