TY  - RPRT
TI  - Application of ion beam milling to the characterization of cracks in metals 
AU  - Ives, L K
PY  - 1975
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 862
DO  - 10.6028/NBS.TN.862
ER  -