@book{43107,
	author = {Machlup, Fritz},
	title = {Methodology of economics and other social sciences},
	publisher = {ELSEVIER,},
	year = {1978},
	note = {<strong>Off-Campus Access:</strong> Athens ID and Password Required},
	url = {https://www.sciencedirect.com/science/book/9780124645509}
}