00278nam a2200121Ia 450000500170000000800410001704100080005808200130006610000180007924500310009726000190012830000090014720260720174729.0260720s1965    xx            000 0 und d  aeng  a570 ROSG  aRoss Norman P  aGuide to the Natural World  aNew Yorkc1965  a210p