TY  - BOOK
AU  - Lang ,Johannes G.
TI  - The Megnetic Field
SN  - 8122402194
U1  - 538.72 LAN 
PY  - 1989///
CY  - New Delhi
PB  - Wiley Eastern
KW  - Humanities & Natural Science
KW  - Physics
N1  - NA
ER  -