DeGraff, James M.
Surface morphology of columnar joints and its significance to mechanics and direction of joint growth - Boulder, CO Geological Society of America November 1987 - pp. 605-617
FISURAS
LAVAS
Surface morphology of columnar joints and its significance to mechanics and direction of joint growth - Boulder, CO Geological Society of America November 1987 - pp. 605-617
FISURAS
LAVAS