00480nam a2200133Ia 4500008004100000041000800041082001900049100001900068245018500087250000600272260004700278300001200325650000900337210716s2000    xx            000 0 und d  aeng  a570.15195 SHIB  aShipley, Bill.  aCause and correlation in biology: a users guide to path analysis structural equations and causal inference.bUsers guide to path analysis structural equations and causal inference.  a1  aNew YorkbCambridge University Pressc2000  axii,317  aNone