000 00452nam a2200181Ia 4500
008 170901s1995 xx 000 0 und d
020 _a8171360491
082 _a574.5
_bS92P
100 _aSugandhi, R.
245 0 _aParyawaran-Shiksha
260 _aDelhi
_bPeriodical Experts Book Agency
_c1995
300 _a102
650 _aLife sciences
650 _aPure Sciences
653 _aEnvironment
653 _aStudy and teaching
942 _2ddc
_cBK
999 _c6727
_d6727