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David Sawatzky

1 book

Exploration and Mixed Gas Diving Encyclopedia by R. Todd Smith, Gene Melton, Peri Blum, Roberto Trindade, David Doolette, Joe Citelli, Simon Pridmore, J. P. Imbert, Simon Mitchell, Lamar Hires, Joseph Dituri, C. Shealy, Jeff Gourley, John Zumrich, David Sawatzky, Zale Parry, Patti Mount, Matti Anttila, Martin Robson, Kevin Gurr

Exploration and Mixed Gas Diving Encyclopedia

R. Todd Smith, Gene Melton, Peri Blum, Roberto Trindade, David Doolette, Joe Citelli, Simon Pridmore, J. P. Imbert, Simon Mitchell, Lamar Hires, Joseph Dituri, C. Shealy, Jeff Gourley, John Zumrich, David Sawatzky, Zale Parry, Patti Mount, Matti Anttila, Martin Robson, Kevin Gurr

400 pages • paperback • 2008

medium-paced