@article {RN47,
	title = {The Nature, Classification, and Generic Structure of Proposals},
	journal = {Journal of Technical Writing and Communication},
	volume = {19},
	number = {4},
	year = {1989},
	pages = {317-351},
	doi = {10.2190/1E3N-62HR-M3TM-LVW4},
	author = {Freed, Richard C. and Roberts, David D.}
}
