TY - THES A1 - Mock, Alexander T1 - Quantitative petrographic investigations of porphyritic rhyolitic laccoliths of the Halle Volcanic Complex, Germany Y1 - 2004 DO - 10.23689/fidgeo-656 PB - TU Freiberg UR - http://hdl.handle.net/11858/00-1735-0000-0001-3321-4 ER -