[1] | Haase Mr J A, Electron,Engng,1979, 51 (630):21. |
[2] | Williams J, EDN-EEE, 1981; 201-205. |
[3] | Bob Mammano, EDN-EEE, 1980, 169-171 |
[1] | Haase Mr J A, Electron,Engng,1979, 51 (630):21. |
[2] | Williams J, EDN-EEE, 1981; 201-205. |
[3] | Bob Mammano, EDN-EEE, 1980, 169-171 |