Chemistry as a practical science : Edward Caldin revisitedMüürsepp, PeeterFoundations of chemistry2016 / p. 113-123 http://dx.doi.org/10.1007/s10698-015-9244-x Chemistry as a practical science (Edward Caldin revisited)Müürsepp, PeeterFoundations of chemistry2016 / p. 213-223 http://dx.doi:10.1007/s10698-016-9257-0