党海春，雷春兴，刘占洲，等.星型聚氨酯增韧改性聚乳酸3D打印线材[J].工程塑料应用，2021，49(1)：13-19.

Dang Haichun, Lei Chunxing, Liu Zhanzhou, et al. Toughening Modification of Polylactic Acid Wire for 3D Printing by Star Polyurethane[J]. Engineering Plastics Application, 2021, (1).

党海春，雷春兴，刘占洲，等.星型聚氨酯增韧改性聚乳酸3D打印线材[J].工程塑料应用，2021，49(1)：13-19. DOI： 10.3969/j.issn.1001-3539.2021.01.003.

Dang Haichun, Lei Chunxing, Liu Zhanzhou, et al. Toughening Modification of Polylactic Acid Wire for 3D Printing by Star Polyurethane[J]. Engineering Plastics Application, 2021, (1). DOI： 10.3969/j.issn.1001-3539.2021.01.003.