Classification
FGA - Materials processing - general aspects
3
FAE - Materials research - general interest
1
FAF - Materials research - comprehensive works
1
FDCJ - Defects in nonmetals
1
FNN - Ceramics - general aspects
1
FNPB - Oxide ceramics, metal oxides, refractory material
1
FNPD - Hard materials, refractory compounds
1
FNPH - Ceramics for specific applications
1