1. A Comparative Surface Cleaning Study of Op Structure, an Op Art PMMA Sculpture by Michael Dillon. Issue 1 (2nd January 2023) Authors: Angelova, Lora V.; Sofer, Gates; Bartoletti, Angelica; Ormsby, Bronwyn Journal: Journal of the American Institute for Conservation Issue: Volume 62:Issue 1(2023) Page Start: 58 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗