div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentuniversidad-autnoma-de-nuevo-le-fischthal-jh-1956-observations-on-the-ocurrencehtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Universidad Autónoma de Nuevo Leóncdigitaldgbuanlmxla10200825461020082546_022pdf · Fischthal JH 1956 Observations on the ocurrence of parasites in the fishes of certain loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader031fdocumentsusreader031viewer20220119115f8a7ae7977ba06a182a371chtml5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentuniversidad-autnoma-de-nuevo-le-fischthal-jh-1956-observations-on-the-ocurrencehtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: Universidad Autónoma de Nuevo Leóncdigitaldgbuanlmxla10200825461020082546_022pdf · Fischthal JH 1956 Observations on the ocurrence of parasites in the fishes of certain loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader031fdocumentsusreader031viewer20220119115f8a7ae7977ba06a182a371chtml5thumbnails2jpg width=140 height=200 divdiv