SOME PROBLEMS OF THE ORIGIN OF VOLCANIC ROCKS IN THE VICINITY OF PIENINY.GUMOWSKA Z.1967; PRACE MUS. ZIEMI; POL; 1967, NUM. 0011, P. 33 A 89Miscellaneous

PLAGIOCLASES.GUMOWSKA Z.1971; PRZEGL. GEOL.; POL; 1971, VOL. 19, NUM. 0002, P. 64 A 69Miscellaneous

THE LARGE ERRATIC BOULDER AT TYCHOW WIELKI IN WESTERN POMERANIA.GUMOWSKA Z.1967; PRACE MUS. ZIEMI; POL; 1967, NUM. 0011, P. 91 A 100Miscellaneous

ANORTHOCLASE MICROSYENITE FROM OLSZTYN.GUMOWSKA Z; JUSKOWIAKOWA M.1969; INST. GEOL., BIUL.; POL; 1969, NUM. 0225, P. 221 A 244Miscellaneous