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040			_cSIUNPA
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080			_a574.3 S192s
245			_aSampling rare or elusive species _b : concepts, designs, and techniques for estimating population parameters _c / Thompson, William Lawrence, ed. ; Burnham, Kenneth P., foreword
260			_aWashington, D.C. _b : Island Press _c , 2004
300			_axiii, 429 p. _b: il.
650			_a DINAMICA DE LA POBLACION
650			_a ESTADISTICA DEMOGRAFICA
650			_a METODOS DE INVESTIGACION
942			_cBK _2udc