共 10 条
[1]
BOMMER P, 1976, Z NATURFORSCH C, V31, P111
[2]
DETERMINATION OF CAFFEINE - A RAPID SEMIMICROMETHOD
[J].
ANALYTICAL CHEMISTRY,
1950, 22 (08)
:1056-1058
[3]
CROWELL GK, 1946, J ASSOC OFF AGR CHEM, V29, P37
[6]
HELMKAMP GK, 1968, SELECTED EXPT ORGANI, P157
[7]
LIU JH, 1979, J FORENSIC SCI, V24, P814
[8]
MANURA JJ, 1978, J FORENSIC SCI, V23, P44
[9]
RITTENBERG D, 1956, INT J APPL RADIAT IS, V1, P208
[10]
TAYLOR A, 1949, ANALYST, V74, P463, DOI 10.1039/an9497400221