00319nam a2200133Ia 4500008004000000082001500040100001600055245001800071250000500089260004100094300001300135650002000148700001700168210210b1982   xxu||||| |||| 00| 0 eng d  a581.5 MEHP  aMEHRA (V B)  aPlant ecology  a  aNew DelhibS. Chand & Co. Ltd.c1982  aviii,149  aPlant Ecology

  aKHANNA (S K)