共 50 条
- [37] Identification of the main factors affecting the environmental impact of passive greenhouses PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON SUSTAINABLE GREENHOUSE SYSTEMS, VOLS 1 AND 2, 2005, (691): : 489 - 494
- [38] Fish abundance in the Wilderness and Swartvlei lake systems: Changes relative to environmental factors SOUTH AFRICAN JOURNAL OF ZOOLOGY, 1996, 31 (01): : 1 - 9