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<10th >General Assembly and 11th Technical Meeting [of the] International Union for Conservation of Nature and Natural Resources, New Delhi, India, 24 Nov. to 1 December, 1969 :

<10th >General Assembly and 11th Technical Meeting [of the] International Union for Conservation of Nature and Natural Resources, New Delhi, India, 24 Nov. to 1 December, 1969 : first session : technical papers. - [Morges, Switzerland] : IUCN, 1969. - 1 v. (várias paginações)

Subjects--Topical Terms:
Conservação da natureza--Congressos.

Dewey Class. No.: 333.72

Número de Chamada: 333.72 / I61