TY  - DATA
AU  - Mihalik, Michael L.
AU  - Tschantz, Steven Thomas.
TI  - Semistability of amalgamated products and HNN-extensions 
T2  - Memoirs of the American Mathematical Society, 
SN  - 9781470408978 (online)
PY  - 1992///
CY  - Providence, RI
PB  - American Mathematical Society
UR  - http://www.ams.org/memo/0471
ER  -