@Misc{BVMC:489185, title = {Plano general de Henry Haftel Zvi (Director musical de IPO), Walter Günther (Director de Steinway Hamburgo), Arthur Rubinstein, Wolfgang Richer (Director del departamento de piano de Steinway & Sons), Istvan Vértes (Asistente de Walter Günther) posando}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmczk6k1} }