Deprez, VivianeBrand, Amy2009-05-011993Deprez, Viviane and Amy Pierce. 1993. Negation and Functional Projections in Early Grammar. Linguistic Inquiry 24, no. 1: 25-67.0024-3892http://nrs.harvard.edu/urn-3:HUL.InstRepos:2886297en-USNegation and Functional Projections in Early Grammar