000 | 00361nam a2200157Ia 4500 | ||
---|---|---|---|
008 | 131111s9999 xx 000 0 und d | ||
100 | _aMangal,S.K. | ||
245 | _aTeaching of physical and life sciences | ||
260 | _aNew Delhi | ||
260 | _bArya | ||
260 | _c1990 | ||
300 | _a397p. | ||
650 |
_aEducation _aLife science |
||
763 | _a13422 | ||
942 | 0 | 0 | _06 |
999 |
_c39938 _d39938 |