Different ways of elastic modulus comparative study to predict resonant properties of standing spruce wood

Authors

  • Volga State University of Technology, Department of Standardization Certification and Merchandizing, Yoshkar-Ola, Russia

  • Volga State University of Technology, Department of Standardization Certification and Merchandizing, Yoshkar-Ola, Russia

  • Volga State University of Technology, Department of Standardization Certification and Merchandizing, Yoshkar-Ola, Russia