Media type: E-Article Title: Quarter-point singular elements revisited Contributor: Banks-Sills, Leslie Published: Springer Science and Business Media LLC, 1987 Published in: International Journal of Fracture, 34 (1987) 4, Seite R63-R69 Language: English DOI: 10.1007/bf00013086 ISSN: 0376-9429; 1573-2673 Origination: Footnote: