natural sciences
| Field | Ind | Field content |
| leader | -----nam a22--------4500 | |
| 1 | kpw511163820 | |
| 3 | CZ-ZlKKF | |
| 5 | 20160920122943.5 | |
| 150 | $a natural sciences |
| Field | Ind | Field content |
| leader | -----nam a22--------4500 | |
| 1 | kpw511163820 | |
| 3 | CZ-ZlKKF | |
| 5 | 20160920122943.5 | |
| 150 | $a natural sciences |