000 00538nad a22001457a 4500
008 120525s1954 -us||||| |||| 00| 0 eng d
041 _aeng
100 1 _aYang, Chia‐Chih
245 1 2 _aA rapid and sensitive recording spectrophotometer for the visible and ultraviolet region :
_bII. Electronic circuits /
_cChia‐Chih Yang
260 _a[S.l. :
_bs.n.],
_c1954
300 _a807-813 p. :
_bill. ;
_c30 cm
440 1 _aReview of scientific instruments ;
_v25
760 _010456
_910456
_tFisica e chimica-fisica.
_w10456
942 _2ddc
_cPM
999 _c30214
_d30214