TY - BOOK AU - Magal Pierre AU - Ruan Shigui TI - Structured population models in biology and epidemiology SN - 978-3-540-78272-8 U1 - 577.88015118 PY - 2008/// CY - Berlin PB - Springer-Verlag KW - Epidemiology-research-methodology KW - Mathematical models KW - Population biology ER -