Kunecki, Piotr, Rafał Panek, and Magdalena Wdowin. 2016. “Na-P1 Zeolite Synthesis and Its Crystalline Structure Ripening through Hydrothermal Process Using Coal Combustion by-Products As Substrates”. Geology, Geophysics and Environment 42 (1):90. https://doi.org/10.7494/geol.2016.42.1.90.