00495nam a2200145Ia 4500008004100000082001300041082000800054245010800062245002500170260002500195300000900220942000800229999001900237952009300256231017s9999 xx 000 0 und d a551.3072 bLAW 4aThe Nature of Rockfall as the Basis for A New Fallout Area Design Criteria for 0.25:1 Slopes - Nov 1994 0cLawrenced A. Pierson bLawrenced A. Pierson c30cm cREP c604260d604260 00104070aNITbNITd2023-10-17l0o551.3072 LAWpNIT-1628r2023-10-17w2023-10-17yREP