Full article: Surrogate-assisted multi-objective optimization of the dynamic response of a freight wagon fitted with three-piece bogies
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A Parametric Study Analysing the Effect of Bolster Suspension Parameters on the Carbody Dynamic Response in a Freight Wagon Fitted with Three-Piece Bogie | SpringerLink
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Amazon.com: Brio World - 33896 Light Up Gold Wagon | 2 Piece Wagon Toy for Kids Ages 3 and Up : Toys & Games
![Bulletin - United States National Museum. Science. CATALOGUE OF THE MECHANICAL. ENGINEERING COLLECTION. 107 " Carreta " or Ox Wagon. Presented by Schutter and Hotz. This vehicle is of Spanish origin Bulletin - United States National Museum. Science. CATALOGUE OF THE MECHANICAL. ENGINEERING COLLECTION. 107 " Carreta " or Ox Wagon. Presented by Schutter and Hotz. This vehicle is of Spanish origin](https://c8.alamy.com/comp/RG853R/bulletin-united-states-national-museum-science-catalogue-of-the-mechanical-engineering-collection-107-quot-carreta-quot-or-ox-wagon-presented-by-schutter-and-hotz-this-vehicle-is-of-spanish-origin-and-was-used-extensively-in-mexico-and-new-mexico-until-about-1880-it-is-devoid-of-all-metal-fittings-and-is-made-of-cottonwood-the-heavy-wheels-composed-of-three-pieces-of-thick-timber-are-held-together-by-dowels-of-wood-the-outer-blocks-show-the-traces-of-a-rim-this-type-of-wheel-was-introduced-by-the-spanish-and-is-still-to-be-found-in-spain-cat-no-180132-usnm-model-of-RG853R.jpg)