Lerner, J. (1999). 150 years of patent office practice. National Bureau of Economic Research.
Citación estilo ChicagoLerner, Josh. 150 Years of Patent Office Practice. Cambridge: National Bureau of Economic Research, 1999.
Cita MLALerner, Josh. 150 Years of Patent Office Practice. National Bureau of Economic Research, 1999.
Warning: These citations may not always be 100% accurate.