@book{Dahl-1985,
  address    = {Oxford},
  author     = {Dahl, Östen},
  publisher  = {Blackwell},
  title      = {Tense and Aspect Systems},
  year       = {1985},
  iso_code   = {bdy; ben; jav; afr; pes; swe; kjg; yor; tam; alh; bej; kal; hun; jpn; aeb; tir; ceb; ell; mlt; sot; bul; its; cmn; kmr; deu; azj; haw; ind; tur; por; fin; quh; one; azb; spa; wol; fra; aka; sun; see; tha; gug; eng; heb; zul; ron; mri; pan; amh; rus; kik; kat; kza; hin},
  olac_field = {general_linguistics; typology; syntax},
  wals_code  = {rus; bnj; qco; hun; mnd; tny; rom; afr; akn; pan; ceb; alw; tml; prs; snc; wlf; fin; kik; bej; ise; grk; atu; swe; yor; tig; hin; fre; ind; kmu; mao; geo; mlt; por; heb; gua; bul; amh; jpn; aze; sun; haw; tha; jav; spa; kfc; zul; tur; kji; ben; grw; ger; ses; eng; ond}
}