PERSONAL RAPID TRANSIT .2. PROGRESS, PROBLEMS, AND POTENTIAL IN A PROMISING NEW FORM OF PUBLIC TRANSPORTATION REPORTED AT THE 1973 INTERNATIONAL-CONFERENCE ON PERSONAL RAPID TRANSIT - ANDERSON,JE
中图分类号:
N09 [自然科学史];
B [哲学、宗教];
学科分类号:
01 ;
0101 ;
010108 ;
060207 ;
060305 ;
0712 ;