TY - RPRT TI - Erratum: Perturbing Hele-Shaw flow with a small gap gradient AU - H Zhao AU - J Casademunt AU - C Yeung AU - JV Maher PY - 1993 DO - 10.1103/physreve.48.1601 UR - https://pubmed.ncbi.nlm.nih.gov/9960761/ ID - 9960761 ER -