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