著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"Kear, David and Schofield, J. C. and New Zealand Geological Survey. Dept. of Scientific and Industrial Research","Maramarua Coafield, 1:15,840 : Waikato Coalfields",,Department of Scientific and Industrial Research,1973,Geological map of New Zealand,,,,https://cir.nii.ac.jp/crid/1130000797481590272