pyramidic space frame

3-isobutyl-1-methylxanthine bend one's head over biowarfare competing policy cvsd(continuously variable slope delta)modulation electron isomerism electronic generator equal parent index formylacetonitrile general accepted accounting principle genus Episcia gershun guinea pepper interregional transportation matsushima oafa operation voltage plain round moulding steward crew tetragonal holohedral-hemimorphic class