00415nam a2200145Ia 4500008004100000082001800041100002300059245005200082260004600134300000800180650002300188650001800211653002200229653001800251170901s1972    xx            000 0 und d  a581.524bB79P  aBlanquet, J. Braun 0aPlant SociologybThe Study of Plant Communities  aNew YorkbHafner Publishing Companyc1972  a439  aBotanical sciences  aPure Sciences  aPlant communities  aPlant ecology