00338nam a2200133Ia 4500 20260720174736.0 260720s1975 xx 000 0 und d eng 500 CONP Paul F Brandweln 271181 Concepts in Science Newyork HarcourtBrace jovanovich 1975 376p 245384 245384 0 0 0 0 BED AL AL 2026-07-20 0 500 CONP BED03776 2026-07-20 17:47:36 2026-07-20 BK