共 10 条
- [4] LEE H, 1967, HDB EPOXY RESINS, P14
- [5] SOUND VELOCITY IN POLYETHYLENE AT ULTRASONIC FREQUENCIES [J]. JOURNAL OF POLYMER SCIENCE PART A-GENERAL PAPERS, 1965, 3 (2PA): : 697 - &
- [6] LITOVITZ TA, 1965, PHYSICAL ACOUSTICS A, V2, P339
- [10] Zener C, 1948, ELASTICITY ANELASTIC, P41