{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Optimal replacement under variable intensity of utilization and technological progress.: An article from: Engineering Economist","author_name":"G. Bethuyne","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00098BAXO.html\">Optimal replacement under variable intensity of utilization and technological progress.: An article from: Engineering Economist</a>","width":400,"height":300}