Analytical procedures for the determination of selected major (Al, Ca, Fe, K, Mg, Na, and Ti) and trace (Li, Mn, Sr, and Zn) elements in peat and plant samples using inductively coupled plasma-optical emission spectrometry - Sapkota, Atindra; Krachler, Michael; Scholz, Christian; Cheburkin, Andriy K.; Shotyk, William (Analytica chimica acta, 2005)