@article{goode_linnerud_tugman_1980, title={Sheep: Reproductive performance of straightbred and crossbred Barbados Blackbelly ewes}, volume={1}, number={3}, journal={International Goat and Sheep Research}, author={Goode, L. and Linnerud, A. C. and Tugman, D. F.}, year={1980}, pages={216} }