Bucureşti20131006 frey50creatortextmonographic
Almanahuri
132961
Ştiinţă
Lucrări de popularizare
UF: Știință -- Publicații cognitive
57416
Literatura română
11165
Publicistică
https://cameraarhiva.com/2019/10/31/1969-almanah-scinteia-pc-personal-collection/https://cameraarhiva.com/2019/10/31/1969-almanah-scinteia-pc-personal-collection/162983