John R. (University of Manchester Helliwell School of Chemistry United Kingdom)
(2)
Alice C Helliwell,Alessandro Rossi,Brian Ball
(1)
Ed Diener (EDT)/ John F. Helliwell (EDT)/ Daniel Kahneman (EDT)
(1)
Ed Diener/ Richard E. Lucas/ Ulrich Schimmack/ John F. Helliwell
(1)
Helliwell T. M. Helliwell,Sahakian V. V. Sahakian
(1)