{HEAD ~ A method} includes receiving a measurement associated with an anisotropy of a first surface and {TAIL ~ a measurement} associated with an anisotropy of a second surface of a sheet of material 
{ HEAD ~ A method } includes receiving a measurement associated with an anisotropy of a first surface and { TAIL ~ a measurement } associated with an anisotropy of a second surface of a sheet of material
HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH