Sounds a lot like another army I know, that differed a lot in 1945 from it's 1941 form. I'm reading the diary of a landser that is going to be published this Spring or early Summer. It does not have a title yet. The soldier participated in the 1940 French campaign and in the Russian campaign from June 1941 until his death in July 1944, as a member of a Heer division, fighting south of the Pripyat Marshes and later on the north shoulder of the Stalingrad campaign. He uses variations of those same (translated) words in many of his descriptions of the Soviet soldier, especially men fighting in 1941-42. He describes many of their attacks in terms similar to our use of human wave. After the book is published, I will be able to quote passages from the diary.