Item 160851REPEX Habitat Diving Procedures: Repetitive Vertical Excursions, Oxygen Limits, and Surfacing Techniques
U.S. Dept. of Commerce, 1988. 1st edition. Paperback. varia paginated, quarto, tight binding, clean throughout, light wear to the wraps, light foxing along side edges. National Undersea Research Program Technical Report 88-1B.

