TY - BOOK TI - Communicative competence for individuals who use AAC: from research to effective practice AU - Light, Janice C. AU - Beukelman, David R. AU - Reichle, Joe PB - Brookes Pub. Co PY - c2003 CY - Baltimore CY - London SN - 1557666393 U3 - b1023132 VL - AAC series ER -