@article {7417,
	title = {The biology of Canadian weeds, 2. Ambrosia artemisiifolia L. and A. psilostachya DC.},
	journal = {Canad. J. Pl. Sci},
	volume = {55},
	year = {1975},
	month = {1975///},
	pages = {463 - 476},
	author = {I.J. Bassett and C.W. Crompton}
}
