author = {Heinrich Rolletschek},}
title = {{Some New Lattice-Theoretic Constructions in High R.E. Degrees}},
number = {93-35},
year = {1993},
note = {Published in Submitted for publication.},
sponsor = { Austrian Science Foundation (FWF) project no.\ P7220.},
type = {RISC Report Series},
institution = {Research Institute for Symbolic Computation (RISC), Johannes Kepler University Linz},
address = {Altenberger Straße 69, 4040 Linz, Austria},
issn = {2791-4267 (online)}