IBhunga lezeNzululwazi yezeNtlalo yamazwe ngamazwe, i-1952 - 2018

Le ncwadana yesikhumbuzo, epapashwe ngethuba lokudityaniswa kwe-ISSC ne-ICSU, iqaqambisa amanye amaxesha abalulekileyo kwimbali ye-ISSC yeminyaka engama-65.