@article{rp 72804, author = {Erwin Das}, title = {Political opinion polls in Belgium in 1991}, volume = {34}, year = {1992}, url = {https://openjournals.ugent.be/rp/article/id/72804/}, issue = {3-4}, doi = {10.21825/rp.v34i3-4.20331}, abstract = {}, month = {12}, pages = {533-546}, publisher={}, journal = {Res Publica} }