00355nam a2200157Ia 4500008004100000020000900041035001000050082001900060100003100079245002400110250000600134260003400140300000800174500000900182650000600191210723s9999||||xx |||||||||||||| ||und||  aNULL  a29961  a502BCUL / DRA  aCull, R. G. / Drake, W. A. 0aConcepts Of Science  a-  aNew DelhibWiley Eastern Ltd.  a288  a1796  a-