TY - RPRT TI - Triangular and Fibonacci number patterns driven by stress on core/shell microstructures. AU - Chaorong Li AU - Xiaona Zhang AU - Zexian Cao PY - 2005 DO - 10.1126/science.1113412 UR - https://pubmed.ncbi.nlm.nih.gov/16081729/ ID - 16081729 ER -