J. Bakker

The quadrupole ion storage trap (QUISTOR) as a low-pressure chemical ionisation source for a magnetic sector mass spectrometer

J. Todd, R. E. Mather, G. Lawson, 1978 .

A beam-modulated time-of-flight mass spectrometer. II. Experimental work

J. Bakker, 1974 .

A beam-modulated time-of-flight mass spectrometer. I. Theoretical considerations

J. Bakker, 1973 .

The time-focusing principle: A double-focusing design for time-of-flight mass spectrometers

J. Bakker, 1971 .

Adiabatic demagnetization of ruby and the use of a superconducting tunnel junction thermometer

P. Wyder, H. Kempen, J. Bakker, 1970 .