heterogeneous spherical earth

alphos Archimedean lattice group Artocarpus altilis bushcricket chronic gingivitis heidts hydraulic test boring machine mature stream multistation machine ninghsia nondemocrats retinbaryte (triplite) rhododendron leiopodium hayata scales of palaeoniscus seposit stochastic extraction system thinic wassh weather-staineds wide band seismograph