Review Learning: Alleviating Catastrophic Forgetting with Generative Replay without Generator. - Jaesung Yoo; Sunghyuk Choi; Ye Seul Yang; Suhyeon Kim; Jieun Choi; Dongkyeong Lim; Yaeji Lim; Hyung Joon Joo; Dae Jung Kim; Rae Woong Park; Hyeong-Jin Yoon; Kwangsoo Kim (CoRR, 2022)