Zhang Yingjun. XU XIAKE'S CONTRIBUTION TO APPLIED SPELEOLOGY[J]. CARSOLOGICA SINICA, 1987, 6(4): 329-334.
Citation:
|
Zhang Yingjun. XU XIAKE'S CONTRIBUTION TO APPLIED SPELEOLOGY[J]. CARSOLOGICA SINICA, 1987, 6(4): 329-334.
|
Zhang Yingjun. XU XIAKE'S CONTRIBUTION TO APPLIED SPELEOLOGY[J]. CARSOLOGICA SINICA, 1987, 6(4): 329-334.
Citation:
|
Zhang Yingjun. XU XIAKE'S CONTRIBUTION TO APPLIED SPELEOLOGY[J]. CARSOLOGICA SINICA, 1987, 6(4): 329-334.
|
XU XIAKE'S CONTRIBUTION TO APPLIED SPELEOLOGY