@misc{indiciae03e92c0c5110, title = {A variable orifice spigot. A modified dennison "valve".}, author = {J M Burn and G Wateridge}, year = {1975}, doi = {10.1111/j.1365-2044.1975.tb00868.x}, url = {https://pubmed.ncbi.nlm.nih.gov/1147178/}, note = {Source identifier: 1147178} }