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Search keyword：(Author: #Sagan Scott D.)
Planning the unthinkable : how new powers will use nuclear, biological, and chemical weapons / edited by Peter R. Lavoy, Scott D. Sagan, and James J. Wirtz
: cloth,: pbk. - Ithaca, N.Y. : Cornell University Press , 2000. - (Cornell studies in security affairs / edited by Robert J. Art, Robert Jervis, and Stephen M. Walt). - (Cornell paperbacks)