Não informado. (1987). Chemical Engineering & Technology. VCH Verlagsgesellschaft.
Lua i Stíl Chicago (17ú heag.)Não informado. Chemical Engineering & Technology. Weinheim, Alemanha: VCH Verlagsgesellschaft, 1987.
Lua MLA (8ú heag.)Não informado. Chemical Engineering & Technology. VCH Verlagsgesellschaft, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.