000 00302nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aRamachandramenon
245 0 _aPre-Degrre Trigonamithi
260 _bKerala Bhasha Institute
_c1971
300 _a277p
650 _aMathematics
942 _cBK
999 _c37764
_d37764