Media type: E-Article Title: The History of Wood Hardness Tests Contributor: Vörös, Á; Németh, R. imprint: IOP Publishing, 2020 Published in: IOP Conference Series: Earth and Environmental Science Language: Not determined DOI: 10.1088/1755-1315/505/1/012020 ISSN: 1755-1315 Keywords: General Medicine Origination: Footnote: Access State: Open Access