div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=michigan-technological-van-donk-et-al-1989a-1989b-and-scheffer-1989-thishtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Michigan Technological UniversitytechalivemtuedugradfacultymtauerdocumentsHosperVAN DONK et al 1989a 1989b and SCHEFFER 1989 This article considers the relevance of loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentsusreader035viewer20220716106149bcee12c9616cbc68f4dchtml5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=michigan-technological-van-donk-et-al-1989a-1989b-and-scheffer-1989-thishtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: Michigan Technological UniversitytechalivemtuedugradfacultymtauerdocumentsHosperVAN DONK et al 1989a 1989b and SCHEFFER 1989 This article considers the relevance of loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentsusreader035viewer20220716106149bcee12c9616cbc68f4dchtml5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=michigan-technological-van-donk-et-al-1989a-1989b-and-scheffer-1989-thishtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: Michigan Technological UniversitytechalivemtuedugradfacultymtauerdocumentsHosperVAN DONK et al 1989a 1989b and SCHEFFER 1989 This article considers the relevance of loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentsusreader035viewer20220716106149bcee12c9616cbc68f4dchtml5thumbnails3jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imageimg data-url=michigan-technological-van-donk-et-al-1989a-1989b-and-scheffer-1989-thishtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: Michigan Technological UniversitytechalivemtuedugradfacultymtauerdocumentsHosperVAN DONK et al 1989a 1989b and SCHEFFER 1989 This article considers the relevance of loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentsusreader035viewer20220716106149bcee12c9616cbc68f4dchtml5thumbnails4jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imageimg data-url=michigan-technological-van-donk-et-al-1989a-1989b-and-scheffer-1989-thishtmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: Michigan Technological UniversitytechalivemtuedugradfacultymtauerdocumentsHosperVAN DONK et al 1989a 1989b and SCHEFFER 1989 This article considers the relevance of loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentsusreader035viewer20220716106149bcee12c9616cbc68f4dchtml5thumbnails5jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imageimg data-url=michigan-technological-van-donk-et-al-1989a-1989b-and-scheffer-1989-thishtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: Michigan Technological UniversitytechalivemtuedugradfacultymtauerdocumentsHosperVAN DONK et al 1989a 1989b and SCHEFFER 1989 This article considers the relevance of loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentsusreader035viewer20220716106149bcee12c9616cbc68f4dchtml5thumbnails6jpg width=140 height=200 divdiv