“…Kenneth Boulding (1978Boulding ( , 1981 Hannon (1973), Slesser (1975), Gilliland (1975), Huettner (1976), Berndt (1978, Costanza (1980), Parsons and Harrison (1981), Bryant (1982), Roberts (1982), Ayres and Nair (1984), Proops, (1983Proops, ( , 1985Proops, ( , 1987, Odum (1988), Faber and Proops (1990), Burley and Foster (1992), Binswanger (1993), Giampietro et al (1993), Ayres (1998) and Buenstorf (2004).…”