TY  - BOOK
AU  - Stern, Manfred  .
TI  - Semimodular lattices: theory and applications / 
SN  - 0-521-46105-7
U1  - Bk 
PY  - 1999///
CY  - Cambridge : 
PB  - Cambridge University Press , 
KW  - Semimodular Lattices
ER  -