TY  - BOOK
AU  - Kollar Janos ed.
ED  - Summer Seminar ( 1991 : University of Utah, Salt Lake City )
ED  - 
TI  - Flips and abundance for algebraic threefolds
U1  - 510=4 
PY  - 1993///
CY  - Paris
PB  - Society Mathematique De France
KW  - Algebra
ER  -