TY  - DATA
AU  - Gumm, H. Peter
TI  - Geometrical methods in congruence modular algebras 
T2  - Memoirs of the American Mathematical Society, 
SN  - 9781470406967 (online)
PY  - 1983///
CY  - Providence, R.I., USA
PB  - American Mathematical Society
UR  - http://www.ams.org/memo/0286
ER  -