Smith, D C The determination of shear strength. A method using a micro-punch apparatus. [electronic resource] - British dental journal Apr 1971 - 333-7 p. digital Publication Type: Journal Article ISSN: 0007-0610 Standard No.: 10.1038/sj.bdj.4802665 doi Subjects--Topical Terms: Acrylic Resins--standardsDental Amalgam--standardsDental Enamel--analysisDental Materials--standardsDental Stress AnalysisDentin--analysisElasticityHardnessHumansSilicate Cement--standards