Zwaag

[2016-06-16]. （原始内容存档于2018-12-31）.  Brands, S.J. (编). The Taxonomicon. Zwaag（英语：Zwaag）, The Netherlands: Universal Taxonomic Services. 1989 [2012-02-06].

（原始内容存档于2014-01-16）  Brands, S.J. The Taxonomicon. Universal Taxonomic Services, Zwaag, The Netherlands. 2015 [11 February 2015]. （原始内容存档于2015-02-11）.  Stevens

Hudspeth A. Principles of Neural Science 5. 2012: 318–19.  Vrinten, C; van der Zwaag, AM; Weinreich, SS; Scholten, RJ; Verschuuren, JJ. Ephedrine for myasthenia

（原始内容存档于2013-10-13）.  Brigham, L.; McCalla, R.; Cunningham, E.; Barr, W.; VanderZwaag, D.; Chircop, A.; Santos-Pedro, V.M.; MacDonald, R.; Harder, S.; Ellis,

1506968112 .  Jonkers HM. Self healing concrete: a biological approach. van der Zwaag S (编). Self Healing Materials: An Alternative Approach to 20 Centuries of