Wächter, W., & Rötzsch, H. (1989). Study on mass conservation techniques for treatment of library and archives material. UNESCO.
Chicago Style (17th ed.) CitationWächter, Wolfgang, and Helmuth Rötzsch. Study on Mass Conservation Techniques for Treatment of Library and Archives Material. Paris: UNESCO, 1989.
MLA (9th ed.) CitationWächter, Wolfgang, and Helmuth Rötzsch. Study on Mass Conservation Techniques for Treatment of Library and Archives Material. UNESCO, 1989.
Warning: These citations may not always be 100% accurate.


