000
00240nam a2200085Ia 4500
008
140208s9999 xx 000 0 und d
245
_a
Nature v.244 July-Aug.,1973 (Transfer to CPRIC Modipuram library)
_c
260
_b
_a
_c
1973
942
_2
udc
_c
P
999
_c
13263
_d
13263