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