{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The four ethers: Contributions to Rudolf Steiner's science of the ethers, elements-ethers-formative forces","author_name":"Ernst Marti","thumbnail_url":"https://www.ebooknetworking.net/books/093/569/big0935690026.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0935690026.html\">The four ethers: Contributions to Rudolf Steiner&#039;s science of the ethers, elements-ethers-formative forces</a>","width":400,"height":300}