Orla Feely, Leon O. Chua. Multilevel and non-ideal quantization in ∑ δ modulation. I. J. Circuit Theory and Applications, 21(1):61-83, 1993. [doi]
@article{FeelyC93,
title = {Multilevel and non-ideal quantization in ∑ δ modulation},
author = {Orla Feely and Leon O. Chua},
year = {1993},
doi = {10.1002/cta.4490210105},
url = {https://doi.org/10.1002/cta.4490210105},
researchr = {https://researchr.org/publication/FeelyC93},
cites = {0},
citedby = {0},
journal = {I. J. Circuit Theory and Applications},
volume = {21},
number = {1},
pages = {61-83},
}