@article{Letelier Llona_1959, title={Editorial}, volume={13}, url={https://revistamusicalchilena.uchile.cl/index.php/RMCH/article/view/12875}, number={66}, journal={Revista Musical Chilena}, author={Letelier Llona, Alfonso}, year={1959}, month={ene.}, pages={p. 3–5} }