Cabal Seminar 81-85 proceedings, Caltech-UCLA Logic Seminar, 1981-85 / A.S. Kechris, D.A. Martin, J.R. Steel (eds.). - Kechris, A. S., 1946-; Martin, D. A. (Donald A.), 1940-; Steel, J. R. (John R.), 1948- (Lecture notes in mathematics (Springer-Verlag), 1988)