Depositional environment of late Cisuralian and Guadalupian (early to middle Permian) alatoconchid-bearing limestone in Loei fold belt, Indochina Terrane
by Mongkol Udchachon, Hathaithip Thassanapak, Clive Burrett, Seksan Chaidrusasmee, Michal Krobicki, and Pradit Nulay