TY - GENERIC DO - 10.20944/preprints202108.0087.v2 UR - http://dx.doi.org/10.20944/preprints202108.0087.v2 TI - Fabrication Methods of the Polygonal Masonry of Large Tightly Fitted Stone Blocks with Curved Surface Interfaces in Megalithic Structures of Peru T2 - Preprints AU - Lapshin, Rostislav PY - 2021 DA - 2021/10/14 PB - Preprints