{"product_id":"on-the-refinement-calculus-book-carroll-morgan-9783540199311","title":"On the Refinement Calculus","description":"On the Refinement Calculus gives one view of the development of the refinement calculus and its attempt to bring together - among other things - Z specifications and Dijkstra's programming language. It is an excellent source of reference material for all those seeking the background and mathematical underpinnings of the refinement calculus.","brand":"WoB","offers":[{"title":"GB \/ NEW \/ INGRAM","offer_id":52142214283537,"sku":"NLS9783540199311","price":68.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/9783540199311.jpg?v=1757579570","url":"https:\/\/www.worldofbooks.com\/products\/on-the-refinement-calculus-book-carroll-morgan-9783540199311","provider":"World of Books ","version":"1.0","type":"link"}