![Tridimensional fractal aggregate obtained by means of a 50% pasting process during collisions of particles submitted to a vertical field of gravity [Agrégat fractal tridimensionnel obtenu par collage de 50% des particules lors de leurs collisions, dans un champ de gravitation vertical ]](image.jpg "Tridimensional fractal aggregate obtained by means of a 50% pasting process during collisions of particles submitted to a vertical field of gravity [Agrégat fractal tridimensionnel obtenu par collage de 50% des particules lors de leurs collisions, dans un champ de gravitation vertical ]")
Tridimensional fractal aggregate obtained by means of a 50% pasting process during collisions of particles submitted to a vertical field of gravity [Agrégat fractal tridimensionnel obtenu par collage de 50% des particules lors de leurs collisions, dans un champ de gravitation vertical].