Wen-Ling Shaiu Drena D. Larson James Vesenka Eric Henderson Atomic force microscopy of oriented linear DNA molecules labeled with 5nm gold spheres. 99-103 1993 21 Nucleic Acids Research 1 db/journals/nar/nar21.html#ShaiuLVH93 http://dx.doi.org/10.1093/nar/21.1.99