20 sts and 26 rows/rounds to 10cm over st st using 4mm needles. 23 sts and 26 rounds to 10cm over stranded st st using 4mm needles. Note: the tighter tension in the stranded knitting gives a neat fit over the yoke and borders; the plain stocking stitch tension gives a relaxed fit in the body. Bust measurements are calculated at stranded st st tension.
For general abbreviations, see p81 of the main magazine