000 00372nam a2200133Ia 4500
008 241226s9999 xx 000 0 und d
020 _a8172360878
082 _a572.8
_bDAT
100 _aDatta, Sukanya.
245 0 _aOperation gene
260 _aNULL :
_bPublications and Information Directorate ,
_c1994.
300 _a117 Pages;
650 _aScience and Technology
999 _c176732
_d176732