TY  - BOOK
AU  - Selman, Alan L. ed.,
TI  - Complexity theory retrospective: in honor of Juris Hartmanison the ocassion of his sixtieth birthday, July 5, 1988
SN  - 0387973508
U1  - 511.3 
PY  - 1990///
CY  - New York
PB  - Springer-Verlag
ER  -