Formulation, articulation Formulation, articulation by Josef AlbersCall Number: RISD Special Large Folio N6888.A5 A45 1972
Group 1: I-11, I-28, I-30, II-9, II-18, II-29
Group 2: I-5, I-15, I-19, I-20, II-4, II-5, II-8, II-13, II-14, II-17, II-19, II-24, II-32, II-33
Group 3: I-9, I-10, II-23