https://nij.ojp.gov/library/publications/metamorphic-barcodes-based-lithographically-defined-microdots-incorporating
Metamorphic barcodes based on lithographically defined microdots incorporating nanoparticles of...
Since printed barcode lacks distributability because each barcode associated with sample cannot be divided when multiple copies of the same barcode are needed...
based onmetamorphicbarcodeslithographicallydefined