00301nam a2200109Ia 450000500170000000800410001705000200005810000240007824500370010226000340013965000180017320251229085708.0251229s9999 xx 000 0 und d aQH 541.5 .R3H8  aHumphrey, Robert R. 0aRange ecologycRobert R Humphrey aNew Yorkb Ronald Pressc1962 aRange Ecology