共 20 条
[1]
ALIAHMADI AR, 2006, P 2 NAT C LOG SUPPL
[2]
Allchin D., 1999, Science Education, V8, P1, DOI DOI 10.1023/A:1008600230536
[3]
Awwad M. T., 2007, American Journal of Applied Sciences, V4, P390, DOI 10.3844/ajassp.2007.390.396
[4]
BEHBAHANI H, 2008, J APPL SCI RES, V4, P96
[5]
BEHBAHANI H, 2008, J APPL SCI RES, V4, P282
[6]
Butler D., 2009, NATURE, DOI [10.1038/news.2009.945, DOI 10.1038/NEWS.2009.945]
[8]
EMERY SJ, 1999, P 7 C ASPH PAV SO AF
[9]
Fatehifar E, 2008, PROCEEDINGS OF THE 3RD IASME/WSEAS INTERNATIONAL CONFERENCE ON ENERGY & ENVIRONMENT, P330