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Freediver Timo Niessner zeigt in seinem Buch erprobte Atemtechniken und praktische Atemübungen, um endlich wieder richtig durchzuatmen, einen klaren Kopf zu bekommen, die eigene …
Freediver Timo Niessner zeigt in seinem Buch erprobte Atemtechniken und praktische Atemubungen, um endlich wieder richtig durchzuatmen, einen klaren Kopf zu bekommen, die eigene …
Calamitous weather is the least of their problems. Indomitable marine biologist Chris Black and former SEAL Mac Johnson have traveled to Israel to help prepare a group of …
Calamitous weather is the least of their problems. Indomitable marine biologist Chris Black and former SEAL Mac Johnson have traveled to Israel to help prepare a group of …
Scuba Diving Operational Risk Management is the first book dedicated to the practical application of risk management to diving of all kinds and at all levels. It is a step-by-step …