000
00310nam a2200133Ia 4500
008
221001s1975 xx 000 0 eng d
082
_a
160 GAU
100
_a
Gautam, J. K.
245
0
_a
Scientific method
250
_a
3rd ed.
260
_a
Delhi
_b
R. Chand
_c
1975
300
_a
viii, 226p.
942
_2
ddc
_c
BK
999
_c
12782
_d
12782