Chair of solid state physics . ... Ordering and symmetry in condensed media . ... This lecture course gives an introduction to physics of crystalline and non-crystalline condensed media. ... Description of various structures is given on the basis of general physical notions. Types of condensed media. Crystals, liquids, amorphous state, liquid crystals, plastic (rotational) crystals. ... Optical methods for investigations of condensed media. ... Kittel, Introduction to Solid State Physics. ...