http://lepah55qyp2fhuwxlz7bwrhzckn4gkuofivnofoeuyfpmke5x2hq.b32.i2p/subject/china/peking-review/1975/PR1975-22c.htm
Po Ching: For Your Reference: What Is Exchange Through Money?, Peking Review, #22, May 30, 1975, pp. 12-13. What Is Exchange Through Money? [This issue of Peking Review is from massline.org