TY  - BOOK
AU  - Erzsebet Csuhaj-Varju; Jurgen Dassow; Jozef Kelemen; Gheorghe Paun
TI  - Grammar Systems
SN  - 9781315075617
PB  - Taylor and Francis
UR  - http://www.taylorfrancis.com/books/9781315075617
ER  -