00343nam a2200121Ia 4500008004100000040001700041082002100058100002600079245005900105260002300164300001400187650002000201190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta020bS531S  aSharma, Jagdish Saran 4aThe Substance of library sciencecJagdish Saran Sharma  aBombaybAsiac1965  axi, 244p.  aLibrary science