000 00291nam a2200121Ia 4500
008 220201s1970 xx 000 0 eng d
082 _a891.43
_bNAReference
100 _aNarayan (Reference .K)
245 0 _aGuide /
260 _bReference ajpal and Sons
_c1970
300 _a224
942 _2ddc
999 _c670
_d670