TY - JOUR AU - S. A. Gourley AU - Rongsong Liu TI - An Age-structured Model of Bird Migration JO - Mathematical modelling of natural phenomena PY - 2015 SP - 61 EP - 76 VL - 10 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1051/mmnp/201510606/ DO - 10.1051/mmnp/201510606 LA - en ID - MMNP_2015_10_6_a5 ER -