A Digital Underwater Video Camera System for Aquatic Research in Regulated Rivers - Martin - 2010 - North American Journal of Fisheries Management - Wiley Online Library
Amazon.com: Digital Video Recorder for Car,KIMISS 4 Channel Vehicle Digital Video Recorder 720P DC9‑36V Universal Mini MDVR for RV Van Truck(ABS + Metal) : Electronics
Amazon.com: for Olympus Voice Recorder DM-2 DM-4 DM-420 DM-520 LS-100 WS-510M WS-500M 147590 Power Payless : Electronics
RCA Personal Portable Recorder & Cassette Player RP3504-B WORKS GREAT | eBay
Hosa Technology RCA Male to 3-Pin XLR Male Audio Cable XRM-102
Amazon.com: Universal Mount Front Rear Camera - Marine Grade Waterproof Built-in Distance Scale Lines Backup Parking/Reverse Assist Cam w/ Night Vision LED Lights 420 TVL Resolution & RCA Output - Pyle PLCM37FRV :
Samsung Hanwha HRX-420 4 Channel 8MP (4K) DVR, No HDD