TY - BOOK AU - Leporati,Ezio TI - {The } assessment of structural safety: a comparative statistical study of the evolution and use of level 3, level 2, and level 1 SN - 0893550132 U1 - 624.171 19 PY - 1979///. CY - Forest Grove, Or.: PB - Research Studies Press, KW - Safety factor in engineering KW - Structural stability KW - Statistical methods N1 - Includes bibliographical references ER -