APA

Hofstede R., Witte H. J. L., .An evaluation of the use of the dry-weight-rank and the comparative yield biomass estimation methods in paramo ecosystem research. : .

Chicago

Hofstede Robert, Witte Henk J L, .An evaluation of the use of the dry-weight-rank and the comparative yield biomass estimation methods in paramo ecosystem research. : .

Harvard

Hofstede R., Witte H. J. L., .An evaluation of the use of the dry-weight-rank and the comparative yield biomass estimation methods in paramo ecosystem research. : .

MLA

Hofstede Robert, Witte Henk J L, .: . .