000
00283nam a2200109Ia 4500
008
220510s1975 xx 000 0 und d
041
_a
eng
082
_a
507
_b
SHA
100
_a
Sharma,R.C,
_9
776953
245
_a
Modern Science Teaching
260
_a
Delhi:
_b
Dhanpat Rai and sons,
_c
1975
999
_c
527161
_d
527161