@techreport{RISC1925,author = {Michael Kalkbrener},
title = {{Birational Projections of Irreducible Varieties}},
number = {90-59},
year = {1990},
sponsor = { Austrian Forschungsf"{o}rderungsfonds, project no. P6763, Austrian Ministery of Science, proj. no. 613.523/3-27a/89 (``Gr"{o}bner Bases''). Esprit Basic Research Actions 3125 Project MEDLAR.},
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)}
}