TY  - RPRT
TI  - NONDESTRUCTIVE TESTING: BACKGROUND, THEORY, AND APPLICATION.
AU  - F L GREENFIELD
AU  - S F GREENFIELD
PY  - 1964
DO  - 10.1111/j.2164-0947.1964.tb03524.x
UR  - https://pubmed.ncbi.nlm.nih.gov/14133474/
ID  - 14133474
ER  -