00346nam a2200157 a 4500041000800000082001800008100001800026245002600044260002400070300001000094650002200104650002000126650001000146650001300156700001900169  aeng  a335.412bV148  aSteedman, Ian  aThe value controversy  aLondonbVersoc1981  a300 p  aECONOMIA MARXISTA  aECONOMIA SOCIAL  aVALOR  aMARXISMO  aSweezy, Paul M