{"product_id":"how-einstein-found-his-field-equations-springer-nature-switzerland-ag-9783030979546-sources-and-interpretation-michael-janssen","title":"How Einstein Found His Field Equations","description":"\u003cp\u003e\u003cstrong\u003eHow Einstein Found His Field Equations\u003c\/strong\u003e by Michael Janssen, Jürgen Renn.\u003c\/p\u003e\n\u003cp\u003ePublished by Springer International Publishing AG, (2022), Hardback, 357 pages.\u003c\/p\u003e","brand":"Michael Janssen","offers":[{"title":"Default Title","offer_id":52272089530710,"sku":"9783030979546","price":157.62,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/3206\/6390\/files\/9783030979546.jpg?v=1767808780","url":"https:\/\/www.bookshop.lv\/products\/how-einstein-found-his-field-equations-springer-nature-switzerland-ag-9783030979546-sources-and-interpretation-michael-janssen","provider":"Bookshop","version":"1.0","type":"link"}