Paper  bibtex   

@article{ingersoll_buried_1990,
	title = {Buried propagules in an old-growth forest and their response to experimental disturbances},
	volume = {68},
	url = {http://andrewsforest.oregonstate.edu/pubs/pdf/pub1023.pdf},
	journal = {Canadian Journal of Botany},
	author = {Ingersoll, Cheryl A. and Wilson, Mark V.},
	year = {1990},
	keywords = {AND, disturbance}
}