10 UMLClass 260 110 170 100 STUDENT -- snumber ID first-name last-name degree bg=#dddddd Relation 420 130 220 50 lt=- m1=* r1= m2=* Buys > 10.0;20.0;200.0;20.0 UMLClass 620 110 170 100 BOOK -- ISBN ID title publisher authors[0..*] bg=#dddddd