| It\'s_Elemental__Europium Basic physical and historical information. |
| LANL__Europium History, production, properties, sources, and uses. |
| Lenntech__Europium Physical data, chemical properties, health and environmental effects. |
| Visual_Elements__Europium Image, source, physical information, and key isotopes. |
| WebElements__Europium Extensive information on history, uses, occurrence, compounds, and properties. |
| Wikipedia__Europium Properties of the element, including its history, applications, and characteristics. |
| About_com_-_A_Tree_Leaf_Key A quick leaf guide for identification of over 50 common North American trees. |
| Bartosz_Pacula\'s_Pictures_of_Trees Large photo gallery of cultivated and wild trees in Europe. |
| Basics_of_Tree_ID A basic guide to identifying trees. Describes leaves, fruits, barks, with many images. |
| Dendrology_at_Virginia_Tech Includes ID keys and fact sheets on over 450 species of wild and cultivated trees in the eastern USA. |
| Fact_Sheets_for_680_Trees Descriptions, illustrations, US range maps, and cultivation of cultivated species from around the world. |
| Foliage_Identification_Test An interactive guide to identifying trees and shrubs of Ontario. Image intensive. |
| Introduction_to_Tree_Identification A resource for beginners and others. Includes a collection of descriptive graphics showing leaves, and buds, with notes. |
| Palm_Tree_Photo_Gallery Over a thousand photographs of palms from around the world. |
| Plant_Kaleidoscope Large image gallery of cultivated woody plants in Europe. |
| SelecTree_for_California A tree database for California. Includes non native trees. |
| Taxonomy_of_Woody_Plants Links on woody plant taxonomy including original identification keys to major genera. |
| Twig_Identification_Test Interactive identification of leafless twigs and axillary buds. For the trees and shrubs of Ontario. |
| What_Tree_is_it? Tree identification. Especially useful way to work from the shapes of leaves. |
| Advanced_Surface_Microscopy,_Inc_ Introduction to atomic force microscopy. |
| Conference_on_Non-Contact_AFM August 15-18, 2005 conference in Germany for research on force controlled imaging, spectroscopy and manipulation. |
| Field_Emission/Ion_Microscopy_Laboratory A laboratory engaged in exclusive research on field emission and field ion microscopy. |
| Imaging_Surfaces_on_a_Fine_Scale Description of techniques and applications. |
| Scanning_Probe_Microscopy_at_Bristol Introduces the applications and techniques of SPM with image and movie galleries, conference announcements and research topics. |
| Scanning_Tunneling_Microscopy Image gallery of metal surfaces, generated at the IBM Almaden Research Center in San Jose, CA. |
| SPM_Application Using scanning probe microscopy to explore and manipulate semiconductor surfaces. Department of Chemistry at McMaster University. |
| University_of_Leuven,_Belgium_-_The_SPM_Group Scanning Probe Microscopy: introduction, research work, personnel, recent publications (some .pdf), image gallery, equipment, collaborations and links. |
| ChemicalElements_com__Ytterbium Basic information, atomic structure, and isotopes. |
| EnvironmentalChemistry_com__Ytterbium Atomic structure, chemical and physical properties, and table of nuclides. |
| It\'s_Elemental__Ytterbium Basic physical and historical information. |
| LANL__Ytterbium History, sources, properties, and uses. |
| Lenntech__Ytterbium Physical data, chemical properties, health and environmental effects. |
| Visual_Elements__Ytterbium Image, physical information, and ionisation energies. |
| WebElements__Ytterbium Extensive information on history, uses, occurrence, compounds, and properties. |
| Wikipedia__Ytterbium Properties of the element, including its history, applications, and characteristics. |
| Ytterbium Data tables and historic information. |
| CelestNav Palm Pilot shareware for finding your geographic position with a tant. |
| GeoMagneticInfo A Palm Pilot application to compute the magnetic declination, inclination, and magnitude for any location on Earth. |
| Navigator_Software Celestial and chart navigation software. Star finder. Nautical Almanac. |
| NavStation Pocket PC software for leisure vessels, including logbook, passage planning, tidal prediction with interfaces to GPS and other NMEA or SeaTalk devices. |
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