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