TY  - BOOK
AU  - SCIENTISTS WHO HAVE CHANGED THE WORLD.
TI  - Alexander Graham Bell:invention of the telephone. by Michael Pollard
SN  - 81 250 0074 7
U1  - 925 SCIA 
PY  - 1994///
CY  - Hyderabad.
PB  - Orient Longman Ltd.
KW  - Alexander Graham Bell




ER  -