TY  - BOOK
AU  - Szczepanski, Andrej
TI  - Geometry of crystallographic groups (E-BOOK)
SN  - 9789814412261
U1  - 548.81 
PY  - 2012///
CY  - Singapore
PB  - World scientific
N1  - http://www.worldscientific.com/worldscibooks/10.1142/8519#t=toc
ER  -