J. R. Howell. Some Classes of Step-response Models without Extrema. Automatica, 33(7):1427-1428, 1997. [doi]
@article{Howell97,
title = {Some Classes of Step-response Models without Extrema},
author = {J. R. Howell},
year = {1997},
doi = {10.1016/S0005-1098(97)00000-9},
url = {http://dx.doi.org/10.1016/S0005-1098(97)00000-9},
researchr = {https://researchr.org/publication/Howell97},
cites = {0},
citedby = {0},
journal = {Automatica},
volume = {33},
number = {7},
pages = {1427-1428},
}