TY - BOOK T1 - Resistance to flow in two types of concrete pipe T2 - Technical Paper nÂș 22 ; Serie B A1 - Straub, Lorenz G. A2 - Bowers, Charles E. A2 - Pilch, Meir LA - English PP - Minnesota PB - University of Minnesota YR - 1960 UL - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dfi.14411 OP - 148 KW - TUBERIAS ER -