TY  - BOOK
AU  - Pearson, John
TI  - Life of William Hey
U1  - 926.106952 Hey/Pea/Lif 
PY  - 1822///
CY  - London
PB  - Hurst - Robinson
KW  - Biography--William Hey.., ii)Persons in Technology
UR  - https://granthsanjeevani.com/jspui/handle/123456789/35301
ER  -