00422nam a2200145Ia 4500008004100000020001800041040001700059082002300076100002400099245008700123260002100210300001000231650001400241700002100255190329s9999||||xx |||||||||||||| ||und||  a81-7648-379-6  aNITILcNITIL  221sta540.7bS717R  aSingh, Yogesh kumar 0aRasayan VighyanbAdhunik Shikshan VidhiyancYogesh kumar Singh and Archnesh Sharma  aDelhibAPHc2003  a171p.  aChemistry  aSharma, Archnesh