It seems you are referring to the classic textbook by Roberto D. De Robertis (often co-authored with other authors like Hib, Ponzio, or E.M.F. De Robertis).
Y Molecular De Robertis | Biologia Celular
It seems you are referring to the classic textbook by Roberto D. De Robertis (often co-authored with other authors like Hib, Ponzio, or E.M.F. De Robertis).