00769nam0-22002411i-450-990001207930403321000120793FED01000120793(Aleph)000120793FED0100012079320000920d1975----km-y0itay50------baengAlgebra and logicPapers from the 1974 Summer Research Institute of the Australian Mathematical Society, Monash University, AustraliaEdited by CROSSLEY J.N.Berlin [etc.]Springer-Verlag1975Lecture Notes in Mathematics450ITUNINARICAUNIMARCBK990001207930403321C-20-(45016587MA1MA1Algebra and logic262772UNINAING01