TY - BOOK ED - National Academy of Engineering TI - The engineer of 2020: visions of engineering in the new century SN - 0309091624 (rĂºstica) AV - TA157 E45 U1 - 620/.009/05 22 PY - 2004/// CY - Washington, D.C. PB - National Academies KW - IngenierĂ­a ER -