@article {18016,
	title = {Sieben neue Sphingiden},
	journal = {Entomologische Zeitschrift},
	volume = {54},
	year = {1940},
	month = {1940},
	pages = {139-144},
	chapter = {139},
	keywords = {AMBULYX, ANDRIASA, BORNEO, CATALOGUE, INDONESIA, MANDUCA, MARUMBA, PERU, SPHINGIDAE, SUMATRA, TANZANIA, WORLDMAP1, XYLOPHANES},
	author = {Gehlen, B.}
}
@article {18002,
	title = {Sphingidae. Pp. 27-29 in: van Straelen, V. (ed.), R{\'e}sultats scientifiques du Voyage auc Indes orientales N{\'e}erlandaises, Lepidoptera I},
	journal = {M{\'e}moires du Mus{\'e}e Royal d{\textquoteright}Histoire Naturelle de Belgique},
	volume = {4},
	year = {1932},
	month = {1932},
	pages = {1-100},
	keywords = {ARU ISLANDS, INDONESIA, JAVA, SPHINGIDAE, SRI LANKA, SULAWESI, SUMATRA, SUMBAWA, WORLDMAP2},
	author = {Gehlen, B.}
}
@article {18004,
	title = {Neue Sphingiden},
	journal = {Entomologische Zeitschrift},
	volume = {47},
	year = {1933},
	month = {1933},
	pages = {78-80},
	chapter = {78},
	keywords = {CATALOGUE, COLOMBIA, HALMAHERA, INDONESIA, MEGANOTON, MEXICO, MOLUCCAS, PANAMA, PAONIAS, PROTAMBULYX, SPHINGIDAE, WORLDMAP1},
	author = {Gehlen, B.}
}
@article {17996,
	title = {Neue Sphingiden},
	journal = {Entomologische Zeitschrift},
	volume = {44},
	year = {1931},
	month = {1931},
	pages = {362-364},
	chapter = {362},
	keywords = {BOLIVIA, CATALOGUE, CATE DIAGNOSIS, CECHENENA, INDIA, INDONESIA, JAVA, POLYPTYCHUS, SPHINGIDAE, WORLDMAP1, XYLOPHANES},
	author = {Gehlen, B.}
}
@article {17999,
	title = {Neue Sphingiden},
	journal = {Entomologische Rundschau},
	volume = {49},
	year = {1932},
	month = {1932},
	pages = {62-64, 65-66, 84-85},
	chapter = {62},
	keywords = {AGRIUS, CATALOGUE, CATE DIAGNOSIS, CLANIS, EUPANACRA, HALMAHERA, HYBRIDS, HYLES, INDONESIA, LAOTHOE, LEBANON, NORTH KOREA, SMERINTHUS, SPHINGIDAE, WORLDMAP1},
	author = {Gehlen, B.}
}
@article {17990,
	title = {Neue Sphingiden-Arten, -Unterarten und -Formen},
	journal = {Internationale Entomologische Zeitschrift},
	volume = {22},
	year = {1928},
	month = {1928},
	pages = {13-18},
	chapter = {13},
	keywords = {AMBULYX, CATALOGUE, COLOMBIA, DAPHNUSA, HYLES, INDONESIA, JAVA, MARUMBA, PERU, PROTAMBULYX, RHAGASTIS, RUSSIA, SPHINGIDAE, SULAWESI, TANIMBAR, WORLDMAP1, XYLOPHANES},
	author = {Gehlen, B.}
}
