المؤلفون: Gosselink, James G., Shaffer, Gary P., Lee, Lyndon C., Burdick, David M., Childers, Daniel L., Leibowitz, Nancy C., Hamilton, Susan C., Boumans, Roel, Cushman, Douglas, Fields, Sherri, Koch, Marguerite, Visser, Jenneke M.

المصدر: BioScience, 1990 Sep 01. 40(8), 588-600.

URL الوصول: https://www.jstor.org/stable/1311299

المؤلفون: Burdick, David M., Cushman, Douglas, Hamilton, Robert, Gosselink, James G.

المصدر: Conservation Biology, 1989 Sep 01. 3(3), 282-292.

URL الوصول: https://www.jstor.org/stable/2386172

المؤلفون: Cushman, Douglas G., Dumas, Helene M., Haley, Stephen M., O'Brien, Jane E., Kharasch, Virginia S.

المصدر: Pediatric Rehabilitation ; volume 5, issue 3, page 133-139 ; ISSN 1363-8491

الاتاحة: http://dx.doi.org/10.1080/1363849021000039335
http://www.tandfonline.com/doi/pdf/10.1080/1363849021000039335

المؤلفون: Cushman, Douglas, Dumas, Helene, Haley, Stephen, O'Brien, Jane, Kharasch, Virginia

المصدر: Developmental Neurorehabilitation; 2002, Vol. 5 Issue: 3 p133-139, 7p