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Recent trends in environmentally friendly lubricants

✍ Scribed by Hörner, Dietrich


Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
916 KB
Volume
18
Category
Article
ISSN
0265-6582

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Robust inference concerning recent trend
✍ Esfandiar Maasoumi; Daniel L. Millimet 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 221 KB

## Abstract Understanding trends in environmental quality is important for individuals and policymakers. Typically, trends in environmental quality are determined solely through comparisons of unconditional or conditional mean pollution levels. However, reaching unambiguous conclusions on the basis