00608naa#a2200193#i#450# EN\\bibl\66926 20241122071811.5 1998-8990 20180325b2018####ek#y0engy0150####ca RUS RU TOWER LADDERS: HISTORICAL ASPECTS, TECHNICAL SPECIFICATIONS, DESIGN SOLUTIONS Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2018 11 с. Journal article local Presnov A I Pechurin A A Danilevich A V journals.igps.ru