TY - RPRT TI - Letter Circular 116: conversion tables for square feet into square meters, square meters into square feet, cubic feet into cubic meters, and cubic meters into cubic feet PY - 1924 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - LCIRC 116 DO - 10.6028/NBS.LCIRC.116 ER -