00351nam a2200133Ia 4500008004100000082001600041100001800057245002600075260004500101300000800146650001800154650001800172653002700190170901s1989    xx            000 0 und d  a574.5bA24E  aAgarwal, K.C. 0aEnvironmental Biology  aBikanerbAgro Botanical Publishersc1989  a439  aLife sciences  aPure Sciences  aEnvironmental sciences