TY - RPRT TI - Cytochrome-b sequence variation among parrots. AU - T P Birt AU - V L Friesen AU - J M Green AU - W A Montevecchi AU - W S Davidson PY - 1992 DO - 10.1111/j.1601-5223.1992.tb00009.x UR - https://pubmed.ncbi.nlm.nih.gov/1399706/ ID - 1399706 ER -