Adapters: A Unified Library for Parameter-Efficient and Modular Transfer Learning. - Clifton Poth; Hannah Sterz; Indraneil Paul; Sukannya Purkayastha; Leon Engländer; Timo Imhof; Ivan Vulic; Sebastian Ruder; Iryna Gurevych; Jonas Pfeiffer (EMNLP (Demos), 2023)