TY  - BOOK
AU  - Robert E. Owens
AU  - Metz, Dale E. 
AU  -  Haas, Adelaide
TI  - Communication disorders: a lifespan perspective 
SN  - 0205360122
AV  - RC 423 .O95 2003
PY  - 2003///
CY  - Boston
PB  - Pearson Education
KW  - Communicative disorders
N1  - includes bibliographical references and index
ER  -