Cárdenas Zardoni H. The complex relationship between the university library and the Federal Copyright Law: implications and responsibilities towards the reproduction and photocopying of materials. BU [nternet]. 2019 Nov. 14 [cited 2024 May 17];19(1):33-50. vailable from: https://bibliotecauniversitaria.dgb.unam.mx/rbu/article/view/139