Anthony Bonato Metrically Universal Generic Structures in Free Amalgamation Classes. 147-160 2001 47 Math. Log. Q. 2 http://dx.doi.org/10.1002/1521-3870(200105)47:2<147::AID-MALQ147>3.0.CO;2-Z db/journals/mlq/mlq47.html#Bonato01