Applied mutation breeding for vegetatively propagated crops / C. Broertjes, A.M. van HartenUse in plant breeding of acute, chronic or fractionated doses of X-rays or fast neutrons as illustrated with leaves of Saintpaulia / by C. BroertjesUse in plant breeding of acute, chronic or fractionated doses of X-rays or fast neutrons as illustrated with leaves of Saintpaulia / C. BroertjesApplication of mutation breeding methods in the improvement of vegetatively propagated crops : an interpretive literature review / C. Broertjes, A. M. van HartenUse in plant breeding of acute, chronic or fractionated doses of X-rays or fast neutrons as illustrated with leaves of Saintpulia / C. Broertjes