000
00309nam a2200133Ia 4500
008
221001s1976 xx 000 0 eng d
082
_a
160 GAU
100
_a
Gautam, J. K.
245
0
_a
Scientific method
250
_a
4th ed.
260
_a
Delhi
_b
R. Chand
_c
1976
300
_a
vii, 226p.
942
_2
ddc
_c
BK
999
_c
13886
_d
13886