000
00272nam a2200109Ia 4500
008
190703s9999 xx 000 0 und d
082
_a
620.09 M5474
100
_a
MENON,R.V.G
245
0
_a
HISTORY OF SCIENCE AND TECHNOLOGY
260
_a
Trivandrum
_b
BHAGYA
942
_c
BB
_2
DDC
999
_c
5378
_d
5378