000
00257nam a2200109Ia 4500
008
131017s9999 xx 000 0 und d
082
_a
641.37 YOG/G
245
_a
Gadhyarasathandram
260
_b
KERALA BHASHA INSTITUTE
650
_a
chemistry
942
_c
BK
999
_c
29688
_d
29688