Signs of life 
a presentation of Films for the Humanities & Sciences ; a co-production of Griffith University and Queensland University of Technology ; executive producer, Rob Care-Wickham ; producer, Cameron Davie ; directed by Cameron Davie ; written by Breda Carty. 
 - 1 videocassette (40 min.) :  sound, color ;  1/2 in. 
 - The nonhearing world. .