00365nam a2200157Ia 4500 230917s9999||||xx |||||||||||||| ||und|| PON1.9 20627 MAIN English 512.523 M334V Marder, L Vector field London George, Allen and Unwin 1972 81 p. BK 0 0 0 512_523000000000000_M334V 0 214041 MAIN MAIN 2002-08-08 1.90 0 512.523 M334V 23977 2023-09-17 21:27:12 2023-09-17 BK 1.9 137721 137721