Supercourse Lecture

THE CHALLENGE OF THE 21ST CENTURY

Topic: disaster

Author: Walter Hays

Keywords: 21st century, disaster

Versions:

In English: View lecture

Original: http://www.pitt.edu/~super4/42011-43001/42251.ppt
Original type: PPT
Submitted on: 06/27/2011
Last updated on: 06/27/2011
Lecture number: lec42251