TY  - BOOK
AU  - LEWIS, D M
TI  - MAGNETIC AND ELECTRICAL METHODS OF NON-DESTRUCTIVE TESTING
U1  - F191:(D:3)1 
PY  - 1951///
CY  - LONDON
PB  - GEORGE ALLEN AND UNWIN LTD
KW  -  METALS-NON-DESTRUCTIVE TESTING
KW  - METALLURGICAL AND MATERIALS ENGINEERING
ER  -