TY  - BOOK
AU  - Selman, Alen L.
TI  - Complexity theory retrospective:  in honour of Juris Hartmanis on the occasion of
SN  - 387973508
U1  - 515.9 C738 
PY  - 1990///
CY  - New York
PB  - Springer- Verlag
ER  -