542,246 PROCEEDINGS Proceedings of a Symposium on significance of and progress against tumour resistance : held at Regensburg University, Regensburg, 9—11th June 1983 / ed. S. Seeber [et al]. — London : Academic Press, 1984. — [2], 185 s., [1] k. tabl. : il., wykr.; 26 cm Cancer Reatment Reviews ; vol. 11, suppl. A