xmlns::iso::dsdl::nvdl
pub const NS_INSTANCE: &'static str = "http://purl.oclc.org/dsdl/nvdl/ns/instance/1.0";
The Instance Namespace http://purl.oclc.org/dsdl/nvdl/ns/instance/1.0
http://purl.oclc.org/dsdl/nvdl/ns/instance/1.0