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Ecological flower and vegetable gardening.

A revision of the only text on urban forestry. Shows how the cultivation and management of trees in an urban setting contributes to the physiological, sociological, and economic well being of urban society. Views its subject within the context of silviculture as well as from a multi-managerial approach that includes forest ecology, municipal watersheds, wildlife habitats, outdoor recreation and landscape design.

This volume documents the IAG Symposium "GPS Trends in Precise Terrestrial, Airborne, and Spaceborne Applications" held in July 1995 during the 21st IUGG General Assembly in Boulder, Colorado. An overview of implementation of the International GPS Service for Geodynamics (IGS) is followed by a documentation of GPS developments in the fields of spaceborne and kinematic applications of the GPS. Another part of the proceedings is devoted to a new branch of GPS research, theory and methodology conclude the volume. These proceedings not only reflect the state of the art in science- and engineering-oriented GPS research in the year 1995, but also contain many indications for future developments.