It means "Small Papers" for their dimensions - 340 X.500 mm. They are reproduced to colors and detailed. They cover in detail the entire coast orients of the Adriatic from the Gulf of Trieste to Ulcinj. Volume I. 12 color cards 56 x 40 cm from Golfo di Pirano to Zara (Piranski Zaljev – Zadar). Scale 1:100000. Publisher: The Croatian Hydrographic Institute.