000
00276nam a22001217a 4500
003
OSt
008
231229b |||||||| |||| 00| 0 eng d
082
_a
P505
_b
J78
245
_a
Journal of scientific and industrial research
260
_c
1981
300
_a
40
942
_2
ddc
_c
BK
999
_c
35273
_d
35273