Crystallography 200 X-ray crystallography 42 Crystallography, Mathematical 14 Physics 14 Crystals 11 Mineralogy 9 Chemistry 8 Diffraction 6 X-rays 6 Crystal growth 5 Dissertations, Academic (Ph.D) 5 Solid state physics 5 Chemical bonds 4 Crystal lattices 4 Molecules 4 Quantum chemistry 4 Solid state chemistry 4 Solids 4 crystallography 4 Antibiotics 3 Cholestrol 3 Collections 3 Insulin 3 Minerals 3 Molecular crystals 3 Penicillin 3 Symmetry (Physics) 3 Thesis (Ph.D)-Physics 3 Vitamin B12 3 biological chemistry -- molecular biology -- diffraction techniques -- x-ray crystallography -- ultracentrifugation -- hydrodynamic techniques -- magnetic resonance -- optical techniques -- absorption spectroscopy -- biological structure -- biological macromolecules 3