00284nam a2200097Ia 4500008004100000082003000041100002100071245004200092260004400134300000800178140113s9999    xx            000 0 und d  a631.52:582.28:576.88   L4  a"Day, Peter. S."  aGenetics of host-parasite interaction  a1973bW.H.Freeman & Co.cSan Franscisco  a238