00437nam a2200145Ia 4500 220214s9999 xx 000 0 und d 0002-1458 AGRICULTURAL ENGINEERING American Society of Agricultural Engineers, Michigen USA 7/Y Ending Volume & Year: 68, 1987 Missing Volume: 56(1-3);61(10);67(2) Starting Volume & Year: 56, 1975 BJ 13444 13444 0 0 0 12 MAIN MAIN 2021-12-31 0 13285J 2021-12-31 00:00:00 2022-02-14 BJ