000
00265nam a2200109Ia 4500
008
230125s9999 xx 000 0 und d
100
_a
MAHESHWARI V.K.
_9
16409
245
0
_a
TEACHING OF SCIENCES
260
_b
SURYA PUBLICATION
_c
2010
300
_a
363
942
_c
BK
999
_c
113861
_d
113861