Bernthal, John E. Articulation and phonological disorders : speech sound disorders in children / John E. Bernthal, Nicholas W. Bankson, Peter Flipsen Jr. - 6th ed. - Boston, Mass. : Pearson/Allyn & Bacon, 2009 - xii, 468 p. : ill. ; 24 cm. References : p. 413-455 ISBN: 9780205569267 RM350.46 Subjects--Topical Terms: Articulation DisordersVoice disordersPhoneticsChild National Library of Medicine Call No.: WM475 / .B531a 2009 9HUKM