@book{ BA16587026,
author = "Rohr, M. von (Moritz) and Czapski, Siegfried and Carl Zeiss (Firm : 1946) and Kanthack, R.",
title = "Geometrical investigation of the formation of images in optical instruments",
publisher = "Printed and published for the Dept. of Scientific and Industrial Research by H.M.S.O.",
year = "1920",
URL = "https://ci.nii.ac.jp/ncid/BA16587026"
}