Lenk, J. D. (1999). Simplified design of filter circuits. Newnes.
Chicago Style (17th ed.) CitationLenk, John D. Simplified Design of Filter Circuits. Boston: Newnes, 1999.
MLA (9th ed.) CitationLenk, John D. Simplified Design of Filter Circuits. Newnes, 1999.
Warning: These citations may not always be 100% accurate.