Developing Mobile Applications for Environmental and Biodiversity Citizen Science: Considerations and Recommendations. - Soledad Luna; Margaret Gold; Alexandra Albert; Luigi Ceccaroni; Bernat Claramunt; Olha Danylo; Muki Haklay; Renzo Kottmann; Christopher C. M. Kyba; Jaume Piera; Antonella Radicchi; Sven Schade; et al. (Multimedia Tools and Applications for Environmental & Biodiversity Informatics, 2018)