Lyd-udstyr

• Sony TC-5M

• Olympus LS-10 (Olympus America)

• Olympus LS-10 (Olympus)

• Olympus LS-10 (Specifikationer)

• Portable Digital Audio Recorder Comparison Chart (O'Reilly - god)

• Portable Digital Recorder Comparison (Transom, god)

• Eskildsen musik, de små bærbare (optagere)

• Eskildsen musik

• Sammenligning af transportable recordere (ZD Net)

• Comparison of Portable Digital Audio Recorders (Core Sound)

• Oreilly, Forum

• The digital mist net, digital recorder

• Remembird™ optager (specifikationer)

• Telinga Paraboler og mikrofoner til lydoptagelse

• Magenta bat detectors

• Batbox bat detectors

• Pettersson bat detectors

• Om flagermus (med gode plancher)