3D-Spectroscopy with PMAS at Calar Alto

3D-SPH simuliation of accretion discs

3D-structure of the Canes Venatici I Cloud

3D/Biela and the Andromedids: Fragmenting versus Sublimating Comets

3D: a new generation imaging spectrometer

3D: The new MPE near-infrared field imaging spectrometer

3D: The next generation near-infrared imaging spectrometer.

3DEX: a code for fast spherical Fourier-Bessel decomposition of 3D surveys

3DEX: Fast Fourier-Bessel Decomposition of Spherical 3D Surveys

3EG J2016+3657: Confirming an EGRET Blazar Behind the Galactic Plane

3EG J2020+4017, the γ-Cygni source—before GLAST

3EG J2027+3429 another Blazar behind the Galactic Plane

3He in Planetary Nebulae: A Challenge to Stellar Evolution Models

3He in stars of low and intermediate mass

3He in the Blue Horizontal Branch Star Feige 86

3He in the Milky Way Interstellar Medium: Summary of Relevant Observations

3He-Driven Mixing in Low-Mass Red Giants: Convective Instability in Radiative and Adiabatic Limits

3K cosmology from Space. Proceedings. School, L'Aquila (Italy), 1998.

3K: The Cosmic Microwave Background Radiation

3kk: the Optical-NIR Multi-Channel Nasmyth Imager for the Wendelstein Fraunhofer Telescope