International Textbook of Mixed Gas Diving

            International Textbook of Mixed Gas Diving       By Heinz K. J. Lettnin The use of mixed gases and modern dive techniques have opened completely new dimensions for underwater exploration. The International Textbook of Mixed Gas Diving gives a comprehensive overview of up-to-date diving technology, including mixed gas diving procedures. Mixed gas equipment and procedures are explained in a clear and concise style. (Paperback: 264 pages)