TY  - BOOK
AU  - Simb, Thomas Simb
TI  - How to make a hand pump 
SN  - 978 92 908151 0 5
U1  - 621 64 SIM 
PY  - 2012///
CY  - Douala-Bassa 
PB  -  ISF and CTA
KW  - HAND PUMPS
ER  -