http://www.ester.ee/record=b2123527*est
http://www.ester.ee/record=b1923714*est
http://www.ester.ee/record=b2956842*est
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http://www.ester.ee/record=b2085584*est
https://books.google.ee/books?id=rz-gg8t5-e4C&printsec=frontcover&source=gbs_ViewAPI&redir_esc=y#v=onepage&q&f=false
http://www.kriso.ee/omble-ise-nukuriided-pildid-loiked-juhised-db-9789949162154.html
https://books.google.ee/books?id=JklJCAAAQBAJ&printsec=frontcover&source=gbs_ViewAPI&redir_esc=y#v=onepage&q&f=false
http://www.ester.ee/record=b4410352*est
http://www.ester.ee/record=b2197254*est
