1. Rare elements in coal. U.S. Bureau of Mines;Abernethy;Informat. Circ.,1963
2. Germanium content of different genetic types of coal in some fields of transbaikal;Adamankin;Dokl. Akad. Nauk SSSR,1974
3. Volcanogenic tonsteins from Tertiary coal measures, East Kalimantan, Indonesia;Addison;Int. J. Coal Geol.,1983
4. Sulfur sources and sulfur bonding of some central European attrital brown coals;Adolphi;Int. J. Coal Geol.,1990
5. Static secondary ion mass spectrometry (S-SIMS) part 2: material science applications;Adriaens;Mass Spectrom. Rev.,1999