@misc {IOPORT.70798193,
    author       = {Nalepa, Grzegorz J. and Wojnicki, Igor},
    title        = {Towards formalization of ARD+ conceptual design and refinement method},
    howpublished = {FLAIRS Conference, 353-358 (2008).},
    year         = {2008},
    identifier   = {70798193},
}