Ayre, Elizabeth. Bernard van Leer Foundation They won't take no for an answer : the Relais Enfants-parents: early childhood development practice and reflections number 11 - The Hague : Bernard Van Leer Foundation, 1996. - 71 pages illustrations : ISBN: 9061950430 Subjects--Topical Terms: Psychology--Early Childhood Development. LC Class. No.: HQ 740.799