См., к примеру, Philips Vital Signs Camera, n. d., http://www.vitalsignscamera.com/; Steve Casimiro, “2011 Best outdoor iPhone Apps – Best Weather Apps”, n. d., http://www.adventure-journal.com/2011-best-outdoor-iphone-apps-%e2%80%94-bestweather-apps/; iSeismometer, n. d., https://itunes.apple.com/us/app/iseismometer/id304190739?mt=8.
