Gradual prolonged strenuous exploration and diligent assembling fragments of reflection and research results they have managed over the decades-long research collect a number of invaluable scientific data that were really worth for publishing:
Taratibu muda mrefu Strenuous utafutaji na bidii kukusanyika vipande ya matokeo kutafakari na utafiti Wao wameweza juu ya utafiti Miongo-muda mrefu kukusanya idadi ya data thamani ya kisayansi Kwamba walikuwa kweli thamani kwa kuchapisha: