TY  - BOOK
AU  - Subrahmanyam,N.
TI  - Electricity and magnetism / 
U1  - 537 23
PY  - 1994///.
CY  - Delhi : 
PB  - Ratan Prakashan Mandir. 
KW  - Magnetometers.
KW  - Magnetic Induction.
KW  - Terrestrial Magnetism.
ER  -