TY - BOOK TI - Systems Approaches to the City: A Challenge to the University DO - 10.17226/20504 PY - 1970 UR - https://nap.nationalacademies.org/catalog/20504/systems-approaches-to-the-city-a-challenge-to-the-university PB - The National Academies Press CY - Washington, DC LA - English KW - KW - Education ER -