{{Cite book| publisher = INED ; CEPED| pages = 55–76| editors = Philippe Antoine, Eva Lelièvre (eds.)| last1 = Antoine| first1 = Philippe| last2 = Adjamagbo| first2 = Agnès| last3 = Amétépé| first3 = Fofo| last4 = Béguy| first4 = Donatien| last5 = Dial| first5 = Fatou Binetou| last6 = Ferrand| first6 = Michèle| last7 = Tichit| first7 = Christine| title = Fuzzy states and complex trajectories : observation, modelization and interpretation of life histories| chapter = Union and separation : love stories are never simple| location = Paris| series = Méthodes et Savoirs| date = 2009}}