The Lego Mindstorms Robotics Invention Systems 2.0 Toolkit: A Study Case
The Leiden Ranking 2011/2012: Data collection, indicators, and interpretation
The length of the transition period from the reducing to the neutral biosphere
The LEO microparticle population: Computer studies of space debris drag depletion and of interplanetary capture processes
The LEO microparticulate environment: LDEF's 5.75 year perspective on orbital space debris and meteoroids.
The Leonid Filament in 2003
The Leonid Maximum of 1996 from Radar Observations in Italy
The Leonid Meteor Shower
The Leonid meteor shower and the history of the Semites (Arabs and Jews)
The Leonid Meteor Shower: Historical Visual Observations
The Leonid meteor storms of 1833 and 1966
The Leonid Meteors
The Leonid Outburst of 1996
The Leoville CV3 Chondrite Revisited: Prime Material for the Study of Refractory Trace Elements
The level and persistence of equatorial spread F recorded daily during a year at solar maximum
The level of cosmic radio noise and integral absorption in the subauroral ionosphere determined from simultaneous satellite and ground measurements at a frequency of 5.5 MHz
The Level of Ionization and Chemical Composition of QSO BAL Region Gas
The Levels of Conceptual Interoperability Model: Applying Systems Engineering Principles to M&S
The lexicographic closure as a revision process
The Lhcb Ring-Imaging Cherenkov Detectors