References
- Gosler A. G., Greenwood J. J. D., Baker J. K., King J. R. 1995. A comparison of wing length and primary length as size measures for small passerines: a report to the British Ringing Committee.Ring. & Migr. 16: 65-78.10.1080/03078698.1995.9674095
- Gosler A. G., Greenwood J. J. D., Baker J. K., Davidson N. C. 1998. The field determination of body size and condition in passerines: a report to the British Ringing Committee.Bird Study 45: 92-103.10.1080/00063659809461082
- Harper D. G. C. 1994. Some comments on the repeatability of measurements.Ring. & Migr. 15: 84-90.10.1080/03078698.1994.9674078
- Lougheed S. C., Arnold T. W., Bailey R. C. 1991. Measurement error of external and skeletal variables in birds and its effect on Principal Component Analysis.Auk 108: 432-436.
- Maitav A., Izhaki I. 1994. Stopover and fat deposition by Blackcap Sylvia atricapilla following spring migration over the Sahara.Ostrich 65: 160-166.10.1080/00306525.1994.9639678
- Morgan J. H., Shirihai H. 1997. Blackcap. In: Morgan J. H., Shirihai H., Yosef R. (Eds). Passerines and Passerine Migration at Eilat.IBCE Tech. Publ. 6, 1: 39-40.
- Sokal R. R., Rohlf F. J. 1995. Biometry. Freeman, New York.
- Svensson L. 1992 Identification Guide to European Passerines. Stockholm.