This HTML5 document contains 4 embedded RDF statements represented using HTML+Microdata notation.

The embedded RDF content will be recognized by any processor of HTML5 Microdata.

PrefixNamespace IRI
n4google.
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
Subject Item
isa:408526964
rdf:type
prov:Entity
prov:value
Furthermore, this aspherical surface can be easily made since the aspherical surface is an aspherical surface having a rotational axis.
prov:wasQuotedFrom
n4:com
Subject Item
isap:438543943
prov:wasDerivedFrom
isa:408526964