Clinical Linguistics and Phonetics, 16 (8), 2002, 573-596 7,7/( A comparative study of the phonology of pre-school children with Specific Language Impairment (SLI), Language Delay (LD) and Normal Acquisition. $87+256 Eva Aguilar-Mediavilla, Dept. Psicologia Bàsica, University of Barcelona, Spain. Mònica Sanz-Torrent, Dept. Psicologia Bàsica, University of Barcelona, Spain. Miquel Serra-Raventós, Dept. Psicologia Bàsica, University of Barcelona, Spain. .(<:25'6 Specific Language Impairment, Language Delay, Normal Acquisition, Phonology, pre- school children 5811,1*7,7/( “SLI & LD Phonology” $''5(66 Eva Aguilar-Mediavilla Dep. Psicologia Bàsica Universitat de Barcelona Pssg. Vall d’Hebron, 171 08035 Barcelona Phone: +34-93 3125159 Fax: +34-93 4021363 E-mail: HDJXLODU#SVLXEHV