作者: Lyn Wadley , Gary Trower , Lucinda Backwell , Francesco d’Errico
DOI: 10.1371/JOURNAL.PONE.0140269
关键词:
摘要: … The glue on the applicator stick comprises two products, a hard, clear, honey-coloured plant gum that is simple glue, and a pliable, black mixture that is an adhesive (Fig 2C). The glue …