Are domestic dogs able to calm conspecifics by using visual communication?

References 

1. Rugaas T. On Talking Terms With Dogs: Calming Signals. USA: Legacy BY Mail, Inc.; 1997;pp. 7–40
2. Shepherd K. Development of behaviour, social behaviour and communication in dogs. In:  Horwitz DF,  Mills DS,  Heath S editor. BSAVA Manual of Canine and Feline Behavioural Medicine. British Small Animal Veterinary Association; 2002;p. 8–20