00425nam a2200145Ia 4500008004100000020001500041082001800056100002500074245008100099260004100180300000800221650001800229650001800247653001400265170901s1979    xx            000 0 und d  a0713127627  a574.524bW41B  aWhitfield, Philip J. 0aBiology of ParasitismbAn intorduction to the study of Associating Organisms  aBritainbEdward Arnold pvt ltdc1979  a277  aLife sciences  aPure Sciences  aParasites