https://w3id.org/framester/framenet/abox/lu/leap_year.n <https://w3id.org/framester/framenet/tbox/LexUnit>

xsd:string leap year.n 
xsd:string COD: a year, occurring once every four years, which has 366 days including 29 February as an intercalary day 
xsd:string F 
<https://w3id.org/framester/framenet/tbox/LexUnit>
<https://w3id.org/framester/framenet/abox/fe/Unit.calendric_unit>
<https://w3id.org/framester/framenet/abox/frame/Calendric_unit>

risorse dalla linked data cloud