Leydesdorff, L., Kushnir, D., & Rafols, I. (2014). Interactive Overlay Maps for US Patent (USPTO) Data Based on International Patent Classifications (IPC).
Citación estilo ChicagoLeydesdorff, L., Duncan Kushnir, y Ismael Rafols. Interactive Overlay Maps for US Patent (USPTO) Data Based On International Patent Classifications (IPC). 2014.
Cita MLALeydesdorff, L., Duncan Kushnir, y Ismael Rafols. Interactive Overlay Maps for US Patent (USPTO) Data Based On International Patent Classifications (IPC). 2014.
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