Determination of the fraction of paramagnetic centers not-fulfilling the Curie law in coal macerals by the two-temperature EPR measurement method
Słowik, Grzegorz P., Więckowski, Andrzej B.
Copper-manganese-zinc spinels in zeolites: study of EMR spectra
Decyk, Piotr, Więckowski, Andrzej B., Najder-Kozdrowska, Lidia, Bilkova, Iveta