TY - RPRT TI - Closed-loop phase behaviour in block copolymers. AU - Du Yeol Ryu AU - Unyong Jeong AU - Jin Kon Kim AU - Thomas P Russell PY - 2002 DO - 10.1038/nmat724 UR - https://pubmed.ncbi.nlm.nih.gov/12618826/ ID - 12618826 ER -