{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Relevance of general systems theory;: Papers presented to Ludwig von Bertalanffy on his seventieth birthday (The International library of systems theory and philosophy)","author_name":"Ervin Laszlo","thumbnail_url":"https://www.ebooknetworking.net/books/080/760/big0807606596.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0807606596.html\">The Relevance of general systems theory;: Papers presented to Ludwig von Bertalanffy on his seventieth birthday (The International library of systems theory and philosophy)</a>","width":400,"height":300}