=LDR 22 4500 =001 6737 =082 04$a2017 GHO =100 1\$aGhosh, Padmaparna =245 10$aEstimating Siberian ibex populations in mountainous terrain using ground and unmanned aerial survey methods: a comparative study =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c2017 =650 \0$aTheses =852 \\$bFreeman Library$h2017 GHO