{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Development and operation of a hydroponic lettuce research laboratory.: An article from: Resource: Engineering & Technology for a Sustainable World","author_name":"Robert Hansen, Jeff Balduff, Harold Keener","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003Z6SF4O.html\">Development and operation of a hydroponic lettuce research laboratory.: An article from: Resource: Engineering &amp; Technology for a Sustainable World</a>","width":400,"height":300}