TY  - BOOK
AU  - Niewiadomski, Stefan
TI  - Filter handbook: A practical design guide
SN  - 0434913782
U1  - 621.3815'234 NIE 
PY  - 1989///
CY  - Britain
PB  - Heinemann Professional Publishing Ltd.
KW  - ME
N1  - Includes Index http://www.amazon.com/Filter-Handbook-Practical-Design-Guide/dp/0434913782/ref=sr_1_1?s=books&ie=UTF8&qid=1413013790&sr=1-1&keywords=0434913782
ER  -