00511nam a2200133Ia 4500008004100000040001700041082002300058100002900081110006800110245006400178260004200242300001700284650007600301190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta333.78bU58F  aAdams, Alexander B (Ed.)  aUnited States. Department of the Interior National Park Service 0aFirst world conference on national parkscAlexander B Adams  aUSAbDepartment of the Interiorc1962  axxxiv, 471p.  aParks; Wildlife conservation; Wildlife management; Natural conservation