00302nam a2200109Ia 450000500170000000800410001708200140005810000270007224500380009926000470013730000080018420260225051112.0260224s9999||||xx |||||||||||||| ||und||  a581.5 SYE  aSyed Sadurddin Hussain 0aPakistan Manual of plant ecology   aIslamabad: National Book Foundation c1984  a242