Grümmer

Roper resonances and generator coordinate method in the chiral-soliton model.

Harvey, Goeke, Meissner, 1989, Physical review. D, Particles and fields.

Chiral model of the nucleon and Delta isobar: The coherent-pair approximation.

Harvey, Goeke, Grümmer, 1988, Physical review. D, Particles and fields.

Number-conserving random phase approximation with analytically integrated matrix elements.

Faessler, Schmid, Grümmer, 1990, Physical review. C, Nuclear physics.