Albers, Scott and Albers, Andrew (2012): On the mathematic prediction of economic and social crises: toward a harmonic interpretation of the Kondratiev wave. Unpublished.
Graves, Philip E. and Mueser, Peter R. (1993): The role of equilibrium and disequilibrium in modeling regional growth and decline: a critical reassessment. Published in: Journal of Regional Science , Vol. 33, No. 1 : pp. 69-84.
Sen, Gitanjali (2002): Considering the effects of poverty and schooling returns on child labour in Vietnam. Unpublished.
