Boys, C.V. Soap - bubbles : Their colours and the forces which mold them / by C.V. Boys . - 1a ed. - New York : Dover, 1959 - 192 p. : ěl. ; 20 cm. - Dover books on science ; t542 . ISBN: 0486205428 Subjects--Topical Terms: Pompas (Jabon)Tensión superficial LC Class. No.: QC183 / B69 1959