. . . . . . "X-ray diffraction data for aromatic, hydroaromatic and tetrahedral structures of carbon" . . "X-ray diffraction data for aromatic, hydroaromatic, and tetrahedral structures of carbon" . "X-ray diffraction data for aromatic, hydroaromatic, and tetrahedral structures of carbon"@en . . . . . . . . . . . . . . . . . . . "X-RAY DIFFRACTION DATA FOR AROMATIC, HYDROAROMATIC, AND TETRAHEDRAL STRUCTURES OF CARBON" . . . .