Geobacillus thermodenitrificans calidus Cihan et al. 2011 Cihan A.C. Ozcan B. Tekin N. Cokmus C. Geobacillus thermodenitrificans subsp. calidus, subsp. nov., a thermophilic and α-glucosidase producing bacterium isolated from Kizilcahamam, Turkey 2011 57 2 83 92 The Journal of General and Applied Microbiology J Gen Appl Microbiol 0022-1260 1349-8037 10.2323/jgam.57.83 21606609