Electronics Letters
Electronics Letters > 1990 > 26 > 9 > 593 - 595
Electronics Letters > 1993 > 29 > 12 > 1095 - 1097
Electronics Letters > 1993 > 29 > 21 > 1819 - 1821
Electronics Letters > 2008 > 44 > 14 > 841 - 842
Electronics Letters > 2015 > 51 > 21 > 1708 - 1709
Electronics Letters > 2017 > 53 > 9 > 628 - 629
Electronics Letters > 2017 > 53 > 11 > 720 - 722