1. Altshuller (1999) The innovation algorithm. Technical Innovation Center, Worcester
2. Bollen J et al (2009) Clickstream data yields high-resolution maps of science. PLoS One.
https://doi.org/10.1371/journal.pone.0004803
3. Caradonna J (2014) Sustainability a history. Oxford University Press, New York
4. Cavalcanti C (1997) Patterns of sustainability in the Americas. The U.S. and the Amerindian lifestyles. In: Smith F (ed) Environmental sustainability practical global implications. CRC Press, Boca Raton
5. Commission on Physical Sciences, Mathematics, and Applications (1988) Chemical engineering research frontiers: needs and opportunities. Final report of the National Research Council Committee. National Academies Press, Washington, DC