There has been data ("Pure and applied research in neuropterology: Proceedings of the fifth International symposium on neuropterology, Cairo, Egypt, 2-6 May 1994 - ISBN-13 978-2-9506536-1-1") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Tue Nov 19 13:06:52 2019, so the data displayed here has been removed .