Cellular structures in instabilities : An introduction -- Rayleigh-Benard instability : Experimental study of the wavenumber selection -- Wavelength selection and pattern localization in buckling problems -- Wavenumber selection in buckling experiments -- Effect of boundaries on periodic patterns -- Cell number selection in Taylor-Couette flow -- Wavelength selection through boundaries in 1-D cellular structures -- Wavenumber selection in Rayleigh-Benard convective structure -- Convection patterns in large aspect ratio systems -- Three dimensional convective structttres in a horizontal or tilted porous layer -- Modelisation and simulation of convection in extended geometry -- Pattern evolution from convective and electrohydrodynamic instabilities -- Amplitude equations for non linear convection in high vertical channels -- Stability of cellular systems in Taylor-Couette instability -- Spatial dissipative structures and hydrodynamic instabilities -- Chemical structures far from equilibrium -- Structure defects in Benard-Marangoni instability -- Non adiabatic phenomena in cellular structures -- Smectics : A model for dynamical systems? -- Defects and interactions with the structures in ehd convection in nematic liquid crystals -- Quantitative study pf the disorganization of hexagonal convective structures -- Shear modes in low-prandtl thermal convection -- Spatial instabilities and temporal chaos -- Temporal and spatial aspects of the onset of chaos in a Taylor instability subjected to a magnetic field -- Electro-hydro-dynamical convective structures and transitions to chaos in a liquid crystal -- Rotating disk flows, transition to turbulence -- Morphological instabilities in the solidification front of binary mixtures -- Cellular structures on premixed flames in a uniform laminar flow -- Energy in the Benard-Rayleigh problem -- Modelisation of thermoconvective instabilities in saturated porous media- lateral boundary influence -- Competition between marangoni and archimedean forces, to determine the surface profile of a liquid heated, open to air -- Surface relief accompanying natural convection in liquid layers heated from below -- On the subject of Gortler vortex.