TY - BOOK AU - Gehan Elsayed Abdelkader Sharaf Eldeen AU - Hisham F. Aly , AU - Maher M. Eldessouky , TI - Chemical investigation on the complex formation of some elements of the F-block / PY - 1997/// CY - Cairo : PB - Gehan Elsayed Abdelkader sharah eldeen , N1 - Thesis (M.Sc.) - Cairo University - Faculty of Science - Department of Chemistry UR - http://172.23.153.220/th.pdf ER -