TY  - GEN
AU  - Helfrich, W.
AU  - 
AU  - Heppke, G.
AU  - 
TI  - LIQUID CRYSTALS OF ONE-AND TWO-DIMENSIONAL ORDER
U1  - 548.9 
PY  - 1960///
CY  - Berlin
PB  - Springer-Verlag
KW  - Liquid Crystals -- Addresses, Essays, Lectures
N1  - Sponsored By European Physical Society And Others
ER  -