@unpublished{TUW-299715, author = {Retscher, G{\"u}nther}, title = {Introduction to the LBS2ITS Erasmus+ Project}, year = {2021}, note = {invited; talk: GEOWeek at the Sabaragamuwa University of Sri Lanka, Belihuloya, Sri Lanka; 2021-11-29 -- 2021-12-03} }