@misc{RISC173,
author = {C. Schneider},
title = {{Symbolic Summation in Difference Fields}},
language = {english},
year = {2001},
month = {14. September},
note = {Austria, Hagenberg. Contributed talk at Conference Symbolic and Numeric Computation (SNSC'01)},
conferencename = {Conference Symbolic and Numeric Computation (SNSC'01)},
url = {https://www.risc.jku.at/conferences/snsc01/}
}