TY - BOOK AU - National Academy of Engineering ED - Engineering for the Benefit of Mankind TI - Engineering for the benefit of mankind: a symposium held at the third Autumn meeting of the National Academy of Engingeering AV - TA 5 E52 PY - 1970/// CY - Washington, D.C. PB - National Academy of Engineering KW - Ingeniería KW - Congresos KW - Tecnología y civilización - ER -