000
00285nam a2200121Ia 4500
008
190216s9999||||xx |||||||||||||| ||und||
100
_a
Gurtu J N&Amp; Razdan S
245
0
_a
Photochemistry
260
_b
Pragathi Prakashan
_c
1976
300
_a
86p
650
_a
Chemistry
942
_c
BK
999
_c
2255
_d
2255