| 000 | 00406nam a2200145 a 4500 | ||
|---|---|---|---|
| 005 | 20160814165138.0 | ||
| 008 | 030403s19uu xx 00 eng d | ||
| 245 | 1 | 0 | _aEcosystems. |
| 250 | _aVideorecording | ||
| 260 | 0 |
_bTMW Media Group, Inc, _c1992. |
|
| 440 | 0 | _aUnderstanding Science | |
| 520 | _aExperiments are conducted to demonstrate each subject discussed. | ||
| 650 | _aBiomes | ||
| 650 | _aBarriers | ||
| 999 |
_c8553 _d8553 |
||