TY - BOOK AU - Simms,Frederick Walter TI - A Treatise on the principles and practice of levelling: showing its application to purposes of railway engineering and the construction of roads AV - TA 606 S55.1907 PY - 1907/// CY - London PB - Crosby Lockwood KW - Levantamiento topográfico KW - Caminos KW - Carreteras ER -