共 7 条
- [2] Goldsmith W., 1960, IMPACT
- [3] JINDAL VK, 1976, T ASAE, V19, P766
- [4] JINDAL VK, 1975, THESIS PENNSYLVANIA
- [5] MCKEE GW, 1977, J AGRON, V69, P53
- [6] A SIMPLE THEORY OF STATIC AND DYNAMIC HARDNESS [J]. PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES, 1948, 192 (1029): : 247 - 274
- [7] [No title captured]