00576naa#a2200181#i#4500001002100000005001700021011001400038100004100052101000800093102000700101200013900108210005100247215001000298608002700308700001900335700002500354856001500379EN\INFRA-M\bibl\105520241219021254.4##a2308-4898##a20131203b2013####ek#y0engy0150####ca0#aRUS##aRU1#aConstructing method related to technical drawing of sphere surface with overlay of sphere’s own and falling shadowseJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2013##a2 с.##aJournal article2local#1aNikiforovgV. #1aMaltsevagEkaterina 4#anaukaru.ru