Mound 30a and the Early Preclassic Ceramic Sequence of Izapa, Chiapas, Mexico Ekholm, Susanna M. creator (autor) text monographic ING IX, 102, p., [3 láminas] ; 26.5 cm. Inventario familia Hartung: 430 XX Acervo ITESO - Biblioteca 20250526000000.0 000455154