Solid-State 13C NMR of Nephila clavipes Dragline Silk Establishes Structure and Identity of Crystalline Regions Simmons, Alexandra ; Ray, Ed ; Jelinski, Lynn W. Abstract Publication: Macromolecules Pub Date: August 1994 DOI: 10.1021/ma00096a060 Bibcode: 1994MaMol..27.5235S