@article{Andersson_1996, place={Lund, Sweden}, title={Helping behaviour in Black Redstart Phoenicurus ochruros}, volume={6}, url={https://journals.lub.lu.se/os/article/view/22990}, DOI={10.34080/os.v6.22990}, number={3}, journal={Ornis Svecica}, author={Andersson, Reino}, year={1996}, month={Jul.}, pages={130–132} }