00308nam a2200109Ia 450000500170000000800410001708200120005810000180007024500530008826000490014130000080019020260224041005.0260224s9999||||xx |||||||||||||| ||und||  a581 NAR  aNarwal, S.S.  0aResearch methods in plant sciences: Allelopathy   aJodhpur: Scientific Publishers (India)c2004  a235