@inbook{NBERc2860,
 Crossref = "NBERnels70-1",
 title = "Company-Sponsored Foundations",
 author = "Ralph Lowell Nelson",
 BookTitle = "Economic Factors in the Growth of Corporation Giving",
 Publisher = "UMI",
 pages = "75-90",
 year = "1970",
 URL = "http://www.nber.org/chapters/c2860",
}
@book{NBERnels70-1,
 title = "Economic Factors in the Growth of Corporation Giving",
 author = "Ralph L. Nelson",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "UMI",
 year = "1970",
 URL = "http://www.nber.org/books/nels70-1",
}