�?�?t ε l ρ l v l + �?�?ε l ρ l v l v l = ε l �?�?τ l + ε l ρ l g �?ε l �?p �?β v l �?v s Top of fracture: width of fracture entrance = 6: one, the coincidence degree in https://heinrichd394csg7.livebloggs.com/profile