TY  - BOOK
AU  - Hatfield,H.
ED  - Vaiyapuri Collection (National Library, India)
TI  - The inventor and his world
U1  - 608.7 
PY  - 1948///
CY  - Middlesex
PB  - Penguin Books
KW  - Inventors
KW  - Inventions
N1  - Includes bibliographical references and index
ER  -