Loopstra, B. O. (1958). X-ray and neutron diffraction investigation of calcium hypophosphite and phosphorous acid. Joint Establishment for Nuclear Energy Research.
Lua i Stíl Chicago (17ú heag.)Loopstra, Bert Onno. X-ray and Neutron Diffraction Investigation of Calcium Hypophosphite and Phosphorous Acid. Kjeller near Lillestrøm: Joint Establishment for Nuclear Energy Research, 1958.
Lua MLA (8ú heag.)Loopstra, Bert Onno. X-ray and Neutron Diffraction Investigation of Calcium Hypophosphite and Phosphorous Acid. Joint Establishment for Nuclear Energy Research, 1958.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.