%0 Journal Article %T Comparison of oceanic crust accretion features with low-velocity and ultralow-velocity spreading %A , .. %A , .. %A , .. %A , .. %K oceanic crust, accretion, spreading, Mid-Atlantic Ridge, Gakkel Ridge. %J Russian Journal of Earth Sciences %D 2001 %N 2 %P 6 %I Геофизический центр Российской Академии Наук