{"product_id":"on-the-photochemistry-of-the-retina-and-on-visual-purple-9781313450546","title":"On the Photochemistry of the Retina and on Visual Purple","description":"\u003cp\u003eKu¨hne, W. (Willy), 1837-1900\u003c\/p\u003e","brand":"HardPress","offers":[{"title":"Default Title","offer_id":54350914027855,"sku":"9781313450546","price":14.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/hardpress.net\/products\/on-the-photochemistry-of-the-retina-and-on-visual-purple-9781313450546","provider":"HardPress","version":"1.0","type":"link"}