TY - JOUR TI - Multivariate Matching Methods That Are Monotonic Imbalance Bounding AU - Stefano Maria Iacus AU - Gary King AU - Giuseppe Porro JO - Journal of the American Statistical Association PY - 2011 VL - 106 IS - 493 DO - 10.1198/jasa.2011.tm09599 UR - https://doi.org/10.1198/jasa.2011.tm09599 ER -