TY - BOOK ID - 133838238 TI - Concepts and structures of Maya calendrical arithmetics PY - 1947 PB - Philadelphia : University museum, DB - UniCat KW - Maya calendar KW - Mayas KW - Calendrier maya KW - Antiquities KW - Antiquités UR - https://www.unicat.be/uniCat?func=search&query=sysid:133838238 AB - ER -