TY  - BOOK
AU  - Gratzer George
TI  - Congruences of a finite lattice: A proof-by-picture approach
SN  - 0817632247 (hbd)
U1  - B29M15, P6   TB 
PY  - 2006///
CY  - Boston
PB  - Birkhauser       
KW  -  Finite lattice
KW  -  Lattice
KW  - Mathematics
N1  - Bibliography 265-273p.; Index 275-281p
ER  -