000 00299nam a2200121Ia 4500
008 170101s1993 xx 000 0 und d
082 _a631.46 SAN
100 _aSantra, S.C
245 0 _aBiology of rice fields blue green algal
260 _aDelhi
_bDaya
_c1993
300 _aP.184
942 _2ddc
_cBK
999 _c50331
_d50331