{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Studies of the Effect of Entrained Air on the Strength and Durabilty of Concretes Made with Various Maximum Sizes of Aggregate Bulletin 40 Research and Development Laboratories of the Portlad Cement Association","author_name":"Paul Klieger","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003UON3RA.html\">Studies of the Effect of Entrained Air on the Strength and Durabilty of Concretes Made with Various Maximum Sizes of Aggregate Bulletin 40 Research and Development Laboratories of the Portlad Cement Association</a>","width":400,"height":300}