@article{roundtrip,
	author          = {Melissa Yuen Shan Cheung and Jan Hidders},
	title           = {Round-trip iterative business process modelling between BPA and BPMS tools},
	journal         = {Business Process Management Journal},
	year            = {2011},
	volume          = {17},
	number          = {3},
	pages           = {461--494},
	group           = {WIS}
}