Short review on PM-bound water. Its presence in the atmosphere, forms of occurrence and determination by Karl Fischer coulometric titrationKamila Widziewicz, Malwina Tytła, Patrycja Rogula-Kopiec and Wioletta Rogula-KozłowskaE3S Web Conf., 44 (2018) 00187DOI: https://doi.org/10.1051/e3sconf/20184400187