00272nam a2200097u  4500082001900000245007000019260002300089300001700112526003700129650000800166  a358.20942bWOR04aThe work of the Royal engineers in the European war, 1914-19 ...   aChatham,c1921-22.  a7 v.c25 cm.  a0b0c0d358_209420000000000_WOR  aMCE