@misc{indiciaeddadd07f74c9, title = {Does 3rd age plus 3rd world equal 3rd class?}, author = {K Tout}, year = {1992}, doi = {10.1093/oxfordjournals.cdj.a038597}, url = {https://pubmed.ncbi.nlm.nih.gov/12286290/}, note = {Source identifier: 12286290} }