00638naa#a2200181#i#450# EN\\bibl\36496 20241109030707.6 2686-9896 20200605b2020####ek#y0engy0150####ca RU COLLOIDAL CHEMICAL FEATURES OF FOAM CONCRETE PRODUCTION Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2020 0 с. Journal article local Строительство. 38 bbk Gorbach Pavel Sergeevich Savenkov Andrey Ivanovich angtu.editorum.ru