@article {64720,
	title = {Active Compensated Summers without Matched Operational Amplifier},
	journal = {IEEE Circuits and Systems Magazine},
	volume = {4},
	year = {1982},
	pages = {26-27},
	attachments = {https://scholar.cu.edu.eg/sites/default/files/ams/files/j090.pdf},
	author = {Ahmed M. Soliman}
}
