Jesse Beder Jason McCullough Luis Núñez-Betancourt Alexandra Seceleanu Bart Snapp Branden Stone Ideals with larger projective dimension and regularity. 1105-1113 2011 46 J. Symb. Comput. 10 https://doi.org/10.1016/j.jsc.2011.05.011 db/journals/jsc/jsc46.html#BederMNSSS11