Global S&T Development Trend Analysis Platform of Resources and Environment
分面浏览：作者 |
| 当前检索式 | ((ALL：George Helffrich)) |
| 限定条件 | ((学科/领域：地球科学)) |
| Avila, Sergio P. 1 | Cosca, Michael 1 | Hearty, Paul J. 1 |
| Helffrich, George 1 | Hipolito, Ana 1 | Madeira, Jose 1 |
| Quartau, Rui 1 | Ramalho, Ricardo S. 1 | Rovere, Alessio 1 |
| Thomas, Christine 1 |
