TY - GENERIC DO - 10.20944/preprints202108.0087.v6 UR - http://dx.doi.org/10.20944/preprints202108.0087.v6 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 - 2022 DA - 2022/05/16 PB - Preprints