DIY Low-Budget Smartphone Photometer Elsholz, Olaf Rodrigues Elsholz, Tereza Christina Scheffler, Ulrich 2018 - ReposIt
Monitoring of Ammonia Content in Rain Water - Low Budget Photometrical Flow through Detector Elsholz, Olaf Rodrigues Elsholz, Tereza Christina Frank, Carsten 2018 - ReposIt