L.B. Stanza stands for "Li Bai's Stanza". Li Bai was an acclaimed Chinese poet who lived from year 701 to 762. He was known particularly for his mastery of "regulated verse", the most rigorous verse form of his time. [...]
Maybe you meant "Du Fu's Stanza"? Correct me if I'm wrong, but as far as I know, Li Bai is renowned particularly for his mastery of unregulated old-style (gushi 古詩) forms instead... Du Fu, on the other hand, was an indisputable master of regulated verse.