Global S&T Development Trend Analysis Platform of Resources and Environment
分面浏览：作者 |
| 当前检索式 | ((ALL：Birch: Sugar maple)) |
| 限定条件 | ((作者：Kern, Christel C.)) |
| Kern, Christel C. 2 | Boyden, Suzanne 1 | Gerndt, Kathryn 1 |
| Kabrick, John 1 | Knapp, Samuel P. 1 | Schwarzmann, John 1 |
| Stanovick, John S. 1 | Webster, Christopher 1 |
