4 close binaries BVR light curves (Djurasevic+, 2011)

4 D Quantum N-Dilaton Gravity and One-Loop Divergence of Effective Action on Constant Dilaton

4 Lacertae

4 nearby galaxies velocities & line-strengths (Krajnovic+, 2004)

4 stars with long-period planets (Dumusque+, 2011)

4 states protocol for time coding quantum key distribution

4 Vesta CCD Spectrum

4 Vesta: A Thick-Skinned Parent for Basaltic Achondrites

4 x 4 matrices in Dirac parametrization: inversion problem and determinant

4+1 dimensional homogeneous anisotropic string cosmological models

4,000 Years of Women in Science, Engineering and Other Altogether Creative Stuff

4-Chlorocrotonaldehyde as a unique chlorine-containing compound from the reaction of atomic chlorine with 1,3-butadiene in air at room temperature

4-D Chiral N=1 Type I Vacua With And Without D5-Branes

4-D gauged supergravity analysis of Type IIB vacua on $K3\times T^2/Z_2$

4-D Model of CO2 Deposition at North and South of Mars from HEND/Odyssey and MOLA/MGS

4-D Quantum Dilaton Gravity During Inflation and Renormalization at One loop

4-day waves in the Venus atmosphere

4-dimensional BF Gravity on the Lattice

4-dimensional dilaton black holes with cosmological constant

4-dimensional spontaneously broken U(1)L gauge theories with a composite Wess-Zumino field