00299nam a2200109Ia 450000500170000000800410001708200140005810000200007224500470009226000420013930000080018120260224040859.0260224s9999||||xx |||||||||||||| ||und||  a581.2 VIS  aVishunavat, K.  0aEssentials of Phytopathological Techniques  aLudhiana : Kalyani Publicationsc2005  a217