000
00295nam a2200109Ia 4500
008
220421s1994 xx 000 0 und d
041
_a
eng
082
_a
507
_b
SID/TEA
100
_a
Siddiqui,N.N.
_9
570318
245
_a
Teaching of science today and tomorrow
260
_a
Delhi
_b
Doaba House
_c
1994
999
_c
396423
_d
396423