@misc{indiciaed4b55c190419, title = {About forbidden and weak reflections.}, author = {P Geuens and D Van Dyck}, year = {2003}, doi = {10.1016/s0968-4328(03)00032-5}, url = {https://pubmed.ncbi.nlm.nih.gov/12895487/}, note = {Source identifier: 12895487} }