{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Ein neues graukeil-photometer für sensitometrie, photographische kopierverfahren und wissenschaftliche lichtmessungen (German Edition)","author_name":"Josef Maria Eder","thumbnail_url":"https://www.ebooknetworking.net/books/B00/427/bigB00427XVEO.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00427XVEO.html\">Ein neues graukeil-photometer für sensitometrie, photographische kopierverfahren und wissenschaftliche lichtmessungen (German Edition)</a>","width":400,"height":300}