Where and how would you search to find the texts of these citations?
Drabek, T. (1986) Human System Responses to Disaster. An Inventory of Sociological Findings. Springer, New York.
CHAPTER IN A BOOK
Wenger, Dennis 1987 "Collective Behavior and Disaster Research." In R. R. Dynes, B. De Marchi, and C. Pelanda, eds., Sociology of Disasters: Contribution of Sociology to Disaster Research, 213–238. Milan: Franco Angeli.
Webb, G. (2002) Sociology, Disasters, and Terrorism: Understanding Threats of the New Millennium. Sociological Focus (35) (1): 87–94.
For a BOOK, search the Library Catalog for the title of the book:
human system responses to disaster
For a BOOK CHAPTER, search the Library Catalog for the title of the book that contains the chapter (not the chapter):
sociology of disasters
[And if you find no record for Cornell, consider Interlibrary Loan.]
For a journal ARTICLE, search the Library Catalog for the title of the journal (not the article):
Check the Electronic Access links or the print volume holdings in the catalog records for the date of the journal that contains the article.