TY - BOOK AU - Marshall,W.T. AU - Nelson,H.M. TI - Structures : : SI units T2 - Pitman international texts SN - 0582988632 PY - 1977/// CY - Essex, UK: PB - Longman Group KW - Structural analysis (Engineering) KW - Structural engineering KW - Strains and stresses N1 - Includes index and bibliography ER -