@Misc{RANME20161475530, title = "The beginnings of co-ordinated movements in the chick embryo", author = "HAMBURGER, V", publisher = "London : J.\& A. Churchill", editor = "J.\& A. Churchill", URL = "http://bibliotecavirtual.ranm.es/ranm/es/consulta/registro.do?id=49553", year = "1968", }