@techreport{RISC2407,
author = {B. Buchberger},
title = {{Focus Windows: A New Technique for Presenting Mathematical Proofs (in Automated Theorem Proving Systems)}},
language = {english},
number = {2000-01-30},
year = {2000},
annote = {2000-01-30-A},
howpublished = {Theorema Technical Report},
institution = {Research Institute for Symbolic Computation, Johannes Kepler University Linz},
keywords = {relevant knowledge, didactics of proving, example: correctness of merge sort},
length = {19}
}