Ronald G. Barr

Launching of the First Virtual Encyclopedia which Brings Together the Best Knowledge on Early Childhood Development

Richard E. Tremblay, Ronald G. Barr, 2007 .

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Brian Hopkins, Ronald G. Barr, James A. Green, 2003 .

The Cambridge Encyclopedia of Child Development

Brian Hopkins, Ronald G. Barr, Philippe Rochat, 2006 .

Why Cry? Adaptive Significance of Intensive Crying in Human Infants

Ronald G. Barr, Timo Vuorisalo, L. Lehtonen, 1998 .

Crying Behaviour and Its Importance for Psychosocial Development in Children

Ronald G. Barr, R. Barr, 2006 .

Crying as a sign, a symptom, and a signal:clinical, emotional and developmental aspects of infant and toddler crying

Brian Hopkins, Ronald G. Barr, B. Hopkins, 2000 .