000
00290nam a22001097a 4500
003
OSt
008
230807b |||||||| |||| 00| 0 eng d
245
_a
1979 Year Book of Science & the Future
260
_a
S. Chand & Co, Patna
_b
Encyclopedia Britanica
_c
1978
300
_a
447
942
_2
ddc
_c
BK
999
_c
29481
_d
29481