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Authors: JAKOBER H STAUBER W
Citation: H. Jakober et W. Stauber, FREQUENT LOSSES OF RECTRICES IN RED-BACKE D SHRIKES LANIUS-COLLURIO -IS IT A MATTER OF A SUMMER MOLT, Journal fur Ornithologie, 138(4), 1997, pp. 497-503

Authors: JAKOBER H STAUBER W
Citation: H. Jakober et W. Stauber, COPULATIONS AND MATE-GUARDING IN THE RED- BACKED SHRIKE LANIUS-COLLURIO, Journal fur Ornithologie, 135(4), 1994, pp. 535-547
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