共 5 条
[2]
GEFFE PR, 1968, IEEE T CIRCUIT THEOR, VCT15, P415
[3]
KERWIN WJ, 1967, IEEE J SOLID STATE C, VSC 2, P87
[4]
SALLEN RP, 1955, IRE T CIRCUIT THEORY, VCT 2, P74
[5]
TOW J, 1969, ELECTRON LETT, P339