PD132: DEMA 2014: The HOLLIS Explorer Semi-...
PD130: DEMA 2014: Interview with Doug Kraus...
PD134: TDI TRIMIX TRAINING, Interview with B...
PD135: Dr Richard Vann of DAN (Diver Alert N...
PD136: Digital Underwater Photography. PADI...
PD137: NSS-CDS Instructor Ralph DiPanfelo di...
PD138: The journey “Into to Technical Div...
PD140: Richie Kohler interview. We discuss U...
PD142: Sound Scene Tour of a 2001 expedition...
PD143 Interview with Charles Mazel, PhD abou...