A fully tunable filter based on the improved tubular structure
2012 ◽
Vol 132
(2)
◽
pp. 25-30
◽
Keyword(s):
2005 ◽
2013 ◽
Vol 41
(2)
◽
pp. 483-500
Keyword(s):
1984 ◽
Vol 259
(13)
◽
pp. 8641-8647
◽
2015 ◽
Vol 5
(3)
◽
pp. 365-371
◽