TY - BOOK ED - American Society of Civil Engineers and International Association for Bridge and Structural Engineering TI - International Conference on Planning and Design of Tall Buildings Lehigh University Bethlehem Pennsylvania August 21-26, 1972 La Systems and Concepts 3 U1 - 720.483 PY - 1972/// CY - New York : PB - American Society of Civil Engineers, KW - Tall Buildings Congresses KW - Tall Buildings Design and Construction Congresses N1 - YN; v. 3. Structural Systems Technical Committee 3 ER -